Mr. Smith had a headache that was killing him, so he his doctor to find the cause.
A. consulted
B. charged
C. allowed
D. admired
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(答案→)A. consulted
B. charged
C. allowed
D. admired
解析：考查动词：A. consulted咨询B. charged 要价C. allowed允许D. admired敬佩，句意：斯密斯先生的头疼得厉害，所以他去向医生咨询病因。选A。