Mark the letter A, B, C, or D on your answer sheet to indicate the sen

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.

Get in touch with me as soon as possible if you change your mind about the trip.

• A. A. You would call me whether you changed your mind about the trip.
• B. B. If you changed your mind about the trip, get in touch with me as soon as possible.
• C. C. Should you change your mind about the trip, contact me as soon as possible.
• D. D. Having changed your mind about the trip, you should get in touch with me.

Câu đề là câu điều kiện loại 1. Ta có cấu trúc câu đảo ngữ câu đk loại 1: Should + S + V (inf)...