Both the Speaker of the House and President pro tempore are members of the House of Representatives.
The Speaker of the House is presiding officer of the Federal House of Representatives.
The President pro tempore is also called the Speaker pro tempore. The officer is a recognized officer of the legislative body and presides over the chamber in the absence of the presiding officers.
Therefore, the correct option is A. because both the Speaker of the House and President pro tempore are members of the House of Representatives.
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