Tom didn’t give up studying he failed many times.A. butB. even thoughC. becauseD. if

问题补充：

Tom didn’t give up studying he failed many times.

A. but

B. even though

C. because

D. if

答案：

A. but

(答案→)B. even though

C. because

D. if

解析：but但是；even though虽然，即使；because因为；if如果。句意：虽然他失败了许多次，但是汤姆不放弃学习。故选B。