Problem: How does the sentence end?

Because Brett was being helped with moving by Donald, 
OPTIONS:
- Brett was feeling very appreciative when the help was offered.
- Donald was feeling very appreciative when the help was offered.
Answer: Brett was feeling very appreciative when the help was offered.
sentence: The floors were sticky because Samuel spilled soda and didn't tell Leslie, so  OPTIONS:
- Samuel chose to stay silent.
- Leslie chose to stay silent.
complete: Samuel chose to stay silent.
Katrina is curling Emily's hair this morning for a wedding she is attending so 
OPTIONS:
- Katrina is looking her best.
- Emily is looking her best.
Emily is looking her best.
Input: Continue writing.

Laura scowled when Christine leaned over to ask their classmate for the answers to the quiz they were taking, as 
OPTIONS:
- Laura was a misbehaving student.
- Christine was a misbehaving student.

Continued: Christine was a misbehaving student.
Story needs to be completed:
Growing succulents indoors suited Patricia but not Samantha because 
OPTIONS:
- Patricia did not have what is known as a green thumb.
- Samantha did not have what is known as a green thumb.

My choice:
Samantha did not have what is known as a green thumb.
Problem: How does the sentence end?

Steve got more bites on his legs when he wore shorts than pants because the 
OPTIONS:
- pants exposed his legs.
- shorts exposed his legs.
Answer:
shorts exposed his legs.