请选择ABCD)h:t4A3| ______, he doesn't study well.1D1I2e4l9h
A. As he is clever1D1I2e4l9h
B. He is as clever1D1I2e4l9h
C. Clever as he is1D1I2e4l9h
D. As clever he is1D1I2e4l9h