请选择DCBA._)T2b:p6f9J,s*@7@([*S)E2B6] There was so much noise in the room that the speaker couldn’t make himself ________.;t,|({/f
A. being heard;t,|({/f
B. hearing;t,|({/f
C. heard;t,|({/f
D. hear;t,|({/f