He whispered to his wife he might wake up the sleeping baby.A. so thatB. on condition t

问题补充：

He whispered to his wife he might wake up the sleeping baby.

A. so that

B. on condition that

C. for fear that

D. so long as

答案：

A. so that

B. on condition that

(答案→)C. for fear that

D. so long as

解析：根据句意，“他小声地跟妻子说话，惟恐吵醒了孩子。” 空白处应填入“惟恐，以防”，即for fear that。