Answer:
c.
previously defined is not an example of context clue
First Answer: During my visit to the shelter, I learned that its two paid staff members and 13 volunteers spend time with every animal.
Reason: it is the only statement that shows concern and care for animals.
Second answer: It starts, obviously, with being the best student that you can be.
Third answer: Logical fallacy.
Fourth Answer: Improving opportunities in math for young girls will decrease economic dispairity in US.
Reason: I think it does not make sense for improving something makes it worse.
