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

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.    

My brother was feeling tired last night, so he went to bed ________ usual.

• A. A. more early than
• B. B. as early as
• C. C. more earlier as
• D. D. earlier than

Dịch nghĩa: Em trai tôi đã rất mệt tối qua, nên cậu ấy đã đi ngử sớm hơn thường ngày
=> So sánh hơn