Problem: How does the sentence end?

Jason brought comfortable sandals and a pair of very tight boots to the hotel. He wore the 
OPTIONS:
- boots and walked around in pain.
- sandals and walked around in pain.
Answer: boots and walked around in pain.
sentence: The nurse applied pressure to the wrist but not the elbow, as the  OPTIONS:
- wrist was uninjured part.
- elbow was uninjured part.
complete: elbow was uninjured part.
The diet consisted mostly of fruit instead of things like meat, because the 
OPTIONS:
- fruit was alkaline.
- meat was alkaline.
fruit was alkaline.
Input: Continue writing.

We bought a bunch of jars last week to store the preserves in, but the fruit yield was bad so we didn't need the 
OPTIONS:
- jars .
- preserves .

Continued: jars .
Story needs to be completed:
Since Erin rented while Monica owned a house with a garage, 
OPTIONS:
- Erin parked their car in an assigned, numbered spot when it snowed.
- Monica parked their car in an assigned, numbered spot when it snowed.

My choice:
Erin parked their car in an assigned, numbered spot when it snowed.
Problem: How does the sentence end?

Brian asked Donald how to prepare glycerol stock since 
OPTIONS:
- Brian had never made it before.
- Donald had never made it before.
Answer:
Brian had never made it before.