Does he have to eat fruits every day? -- Yes .A. he isB. he hasC. he doesD. he doesn’t

问题补充：

--Does he have to eat fruits every day? -- Yes, .

A. he is

B. he has

C. he does

D. he doesn’t

答案：

A. he is

B. he has

(答案→)C. he does

D. he doesn’t

解析：英语一般疑问句的回答，要遵循于上文时态，人称和数的一致。句意：他每天都必须吃水果吗？是的，他必须。Have to的意思是不得不，用法相当于情态动词，但是have也有人称和数的变化，上文为一般现在时态第三人称，故下文也要用一般现在时态第三人称。根据前文yes可知下文为肯定回答，故选C。