Level 34: Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions: The bomb exploded in the school; fortunately no one was injured.
take off: take off, take off; take off (airplane)
go off: explosion
put on: wear
hold up: to clog
Hence: exploded ~ went off
Translation: The bomb went off in the chief; fortunately no one was injured.