Final answer:
There are two sessions within each term of Congress: option a) Two.
Step-by-step explanation:
The correct answer is option a) Two. There are two sessions within each term of Congress, known as congressional sessions. Each session lasts for one year, and a new session begins on January 3rd of each odd-numbered year. The first session of a term usually takes place from January to July, while the second session usually takes place from September to December.