He----that right now.A.doesn't need to B.need doing C.needs

没有正确答案,主语是人,NEED 作实义动词,后接动词不定式,故排除B,作情态动词时后接动词原形,再排除D,而A与C两个答案中to 后都缺少动词,是不是 A.doesn't need to do.C.needs to do ,如果没有上下文,改正后A与C都对,只是意思不同罢了：
He（doesn't need to do ）that right now.他不需要马上做（那件事）
He(needs to do ) that right now.他需要马上做（那件事）