Answer:
b. Gene laughed throughout the movie, but his date didn't laugh once.
Explanation:
because as gene laughed his date didn't
so no comma needed as that third option nor blank as that first option
The end for example cat touched the hat
A collaborative discussion is a group of people identifying factors in an issue. To evaluate a collaborative discussion may include the following factors: the discussion must include others; develop a sense of audience that others will be scrutinizing your information; learning about writing conventions with peers; focusing on readers' expectations and not just rules; improving the writer's analysis techniques; being able to answers others' questions about material; improving their prose by teaching it to others.
