Indicate the sentence that is closest in meaning: A waitress served usĐoạn văn29/40Mark 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. A waitress served us. She was very impolite and impatient.A waitress, who served us, was very impolite and impatient.A waitress, which served us, was very impolite and impatient.A waitress who served us was very impolite and impatient.A waitress whom served us, was very impolite and impatient.Giải thíchĐáp án A.