QUES: Continue writing.

Erin asked Sarah to be her agent, since

OPTIONS:
- Erin was ignorant of the ins and outs of the music business.
- Sarah was ignorant of the ins and outs of the music business.
+++++++++
ANS: Erin was ignorant of the ins and outs of the music business.

QUES: Continue writing.

The children needed to make their backyard hideout out of wood and not metal because the

OPTIONS:
- wood was unavailable.
- metal was unavailable.
+++++++++
ANS: metal was unavailable.

QUES: Continue writing.

The skin of William is much darker than Eric, which is because

OPTIONS:
- William happens to be white.
- Eric happens to be white.
+++++++++
ANS: Eric happens to be white.

QUES: Continue writing.

Eric was having a hard time sleeping at night while Christopher slept well because

OPTIONS:
- Eric had a clean conscience.
- Christopher had a clean conscience.
+++++++++
ANS:
Christopher had a clean conscience.