It might help if we could see what the paragraph and choices were :)
Answer:
D. We took him to the store and then went to the library.
Explanation:
We took him to the store, and then went to the library.
Needs a comma after store.
Answer: um it didnt really effect me because i still managed to talk to my friends and stuff it did make me a little frustrated because it was kind of hard to get it to work
Explanation:
We can't help you if we don't know the information.