Though he said he was a doctor he knows nothing about medicine.A. as a matter of factB.

问题补充：

Though he said he was a doctor, , he knows nothing about medicine.

A. as a matter of fact

B. as well

C. as a result

D. as if

答案：

(答案→)A. as a matter of fact

B. as well

C. as a result

D. as if

解析：考查词组：A. as a matter of fact事实上，B. as well 也，C. as a result因此，D. as if好像，句意：虽然他说他是医生，但是他对医学一窍不通。选A。