— you read the words in English? —No I can’t. They are too difficult for me.A. MustB. May

问题补充：

— you read the words in English?

—No, I can’t. They are too difficult for me.

A. Must

B. May

C. Can

D. Need

答案：

A. Must

B. May

(答案→)C. Can

D. Need

解析：此题考查情态动词的基本用法。英语一般疑问句中的回答，一般要遵循时态人称数的一致，根据下文用情态动词can回答，可知问句中助动词为can，选C。Can表示能力。