Mark the letter A, B, C, or D to indicate the correct answer: She always complainedĐoạn văn36/39Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. She always complained ___ her parents ___ how small her room was or how few clothes she had.with/ forwith/aboutto/ aboutto/ forGiải thíchĐáp án C.