The time he has devoted in the past years the disable is now considered of great value.A

问题补充：

The time he has devoted in the past years the disable is now considered of great value.

A. to help; being

B. to helping; to be

C. to help; to be

D. helping; being

答案：

A. to help; being

(答案→)B. to helping; to be

C. to help; to be

D. helping; being

解析：前一部分考查devote one’s time to doing sth句式。其中devote的宾语the time在定语从句中提到了前面并省略了；后一部分中的consider的后面接了主语补足语，所以用不定式作补语。整个句子的意思为：他在过去的十年中用在帮助残疾人身上的时间现在被认为是很有价值。