When asked about the secret of his success he it to his friends’help. A. belongedB. dona

问题补充：

When asked about the secret of his success， he it to his friends’help.

A. belonged

B. donated

C. owed

D. gave

答案：

A. belonged

B. donated

(答案→)C. owed

D. gave

解析： 考查固定短语。owe sth. to sb.把…归功于某人；donate sth. to sb.把…捐赠给某人give sth. to sb.把…给某人; belong没有词用法，故排除。根据意思，他把成功归功于他朋友的帮忙。