Answer:
When he retired I bought not only all his big equipment but all his little toolboxes as well—they were treasures!
Explanation:
I took this quiz. This shows his interest and being willing to invest in it.
I'm not sure how to understand this question...
But if the question is asking about what the cat did, and how you would explain it?
or if they meant to explain that sentence...
if they mean to explain the sentence itself, I would say the answer is
A
But is they meant to tell about the next chapter, I would ASSUME the answer to be
B
A. who's. this translate to who is.
There is no description so I am not sure, however I believe it is C. Cytoplasm
The most common way to start a sentence is with a subject, making the correct answer B.
An example would be a simple sentence "He broke the window" where "he" is the subject.