单项选择题

He was asked to speak louder so that all of us could hear him.

A.他要求大声说话,所以我们都能够听他说。
B.他要求大声说话,以便我们大家都能够听到他。
C.要求他讲话声音大一点,以便我们大家都能够听到他的话。
D.要求他讲话声音大一点,这样我们都能够听他说了。