The answer should Jennifer because they are talking directly to her.
Answer:
A. Unimportant scenes might become more important, and vice versa.
Explanation:
If raining lunchtime, (I'll remain indoors. )
Or
If it's raining at lunchtime time, (I'll remain indoors.)
(when you know it may rain)
Or
If it rains lunchtime, (I'll remain indoors. )
(when you're not sure it's going to rain)
Hope this helps!