Life abroad was not easy for him, and it was several years before he ________ the whole munity.
A.had been familiar with
B.got familiar with
C.have been familiar with
D.would be familiar with
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B解析考察时态，该句为before的句型，后面的时间状语从句要与前面的was保持一致。句意为，国外的生活对他来说不容易，他用了好几年的时间才熟悉整个社区。