Step 1: Understand the context of the question.
The question is asking about the types of personal foreign exchange accounts that can be opened by individuals within a country's borders, and which one is not allowed.

Step 2: Identify the types of personal foreign exchange accounts.
Typically, individuals can open various types of foreign exchange accounts, such as foreign currency savings accounts, foreign exchange investment accounts, or accounts for holding foreign currencies received from abroad.

Step 3: Consider the regulations and common practices regarding personal foreign exchange accounts.
In many countries, regulations allow individuals to open foreign currency accounts for specific purposes like saving foreign currencies earned or received from abroad、However, the specifics can vary greatly depending on the country's financial regulations.

Step 4: Analyze the given options in the context of typical financial regulations.
Although the specific options are not provided, we can infer based on common practices、Individuals are usually allowed to open accounts for holding foreign currencies (e.g., savings accounts) and sometimes for investing in foreign currencies or securities、However, certain types of accounts, like those for capital account transactions (which involve investments or loans), might be restricted or require special permissions.

Step 5: Deduce the most likely answer based on common restrictions.
Given that the question asks for an account type that is not included, we need to consider what types of accounts are typically restricted for individuals、Capital account transactions, which involve investments or other capital flows, are often subject to stricter regulations.

Step 6: Conclude based on the understanding of financial regulations and account types.
Without specific options, a common restricted category could involve accounts that facilitate unrestricted capital outflows or inflows, such as certain types of investment accounts or accounts that are not for straightforward savings or receipt of foreign exchange.

The best answer is C.