Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
The burglar was caught red- handed by the police when he broke into the flat.
A. The police caught the burglar to break into the flat.
B. The police caught the burglar when breaking into the flat.
C. When the burglar had broken into the flat, the police caught him at once.
D. The police caught the burglar breaking into the flat.