When my sister phoned me I could not hear clearly what she was .A. speakingB. talkingC.

问题补充：

When my sister phoned me, I could not hear clearly what she was .

A. speaking

B. talking

C. saying

D. telling

答案：

A. speaking

B. talking

(答案→)C. saying

D. telling

解析：词义辨析。Speak说某种语言； talk谈话；say说，强调内容；tell告诉。句意：当我的妹妹给我打电话时，我不能清除听清他在说什么。可知强调的是说的内容，故选C。