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
try this suggested option [see the attachment].
It should be C, That's what I learned back then.
Being organized
Reviewing notes and rewriting frequently if necessary.
Asking questions if you do not understand even a little thing in the topic.
Pretty sure it’s c.
It uses terms such as “Stunning” and ”excellence”
