Question

I did very well on the test, even though I didn't crack a book to study until the night before.

Answer 1

Answer:

Open a book. So C would be your answer.

Explanation:

They are saying they did well on there test without opening a book. So they did not need extra reading or anything to do well. They just needed to take the test.

Answer 2

(Open a book) is the answer to your question.