[Q]: How does the sentence end?

Michael's hygiene isn't nearly as good as Joel's due to 
OPTIONS:
- Michael showering once a week.
- Joel showering once a week.

[A]: Michael showering once a week.
QUES: Continue writing.

It was colder in the trailer than it was in the house because the heater in the 

OPTIONS:
- trailer was turned on.
- house was turned on.
+++++++++
ANS: house was turned on.
Problem: How does the sentence end?

Because Maria knew how to drive and Elena did not, 
OPTIONS:
- Maria failed their driving test.
- Elena failed their driving test.
Answer: Elena failed their driving test.
sentence: Lindsey was younger than Betty so  OPTIONS:
- Lindsey experienced more pain in their joints on a regular basis.
- Betty experienced more pain in their joints on a regular basis.
complete: Betty experienced more pain in their joints on a regular basis.
The college student failed the final test for his math class because the 
OPTIONS:
- class was too easy.
- test was too easy.
class was too easy.
Problem: Continue the following story.

Jeffrey had more followers on Instagram than Christopher had, because 
OPTIONS:
- Jeffrey was a less attractive person.
- Christopher was a less attractive person.
Here's how I want to continue it:
Christopher was a less attractive person.