Original answer:
B) Provide sufficiently detailed descriptions of the methods they used to help them reflect.
Correct one:
C) Examine thoughtfully the possible causes of events in their classrooms
Reasoning:
My answer was wrong because I misread and misinterpreted the paragraph. I guess the answer was correct because it had a good meaning.
Strategy to avoid similar errors in the future:
To discriminate the words that we cannot find in each option and make a deep analysis of them.