I found the keyword, so where is the answer?

A keyword is for finding a place in the text. To choose the answer, you have to read what is said at that place.

Names, dates and rare terms are good search signals. Frequently repeated words such as people, important, study are weak signals.

The word in the question may appear in the text as a synonym or in a different structure. After finding the place, also read the sentence before and the one after; a correction or a limitation may be there.

Question: Why did the café close?

Passage: The café was popular with students. Its owners had planned to expand it, but rising rent made the business too expensive to maintain.

The word café points to the place. The reason for the closing is rising rent. Seeing the word popular is no reason to answer “lots of customers”.

Question: Why was the trip postponed?

Passage: Forty students booked the trip. The bus was ready, but heavy snow made the roads unsafe, so the school moved the visit to the following week.

A. There were too few students. B. The roads were unsafe. C. The bus had broken down.