“The police . . . . . . . . the New York bomber” . . . . . . . . the headline of the newspaper.

The correct answer is A. caught.

The headline of the newspaper is in the past tense, so the verb in the sentence must also be in the past tense. Of the five options, only caught is in the past tense.

The other options are not in the past tense.

• Was is in the present tense.
• Catch is in the present tense.
• Is is in the present tense.
• Had caught is in the past perfect tense.

The past perfect tense is used to talk about an event that happened before another event in the past. In this sentence, there is no other event in the past that the police catching the New York bomber could be