Tiếng Anh Lớp 12: Mark the letter A, B, C or D to indicate the sentence that is CLOSEST in meaning to the given one. He lost his job three months ago

Tiếng Anh Lớp 12: Mark the letter A, B, C or D to indicate the sentence that is CLOSEST in meaning to the given one. He lost his job three months ago A. It is three months since he lost his job B. It has been three months since he has lost his job C. They are three months since he lost his job D. It is three months ago since he lost his job, giúp em giải bài này ạ, em cảm ơn thầy cô và các bạn nhiều.