The company saw it as part of its social to provide education for its workers.A. rewardB

问题补充：

The company saw it as part of its social to provide education for its workers.

A. reward

B. request

C. research

D. responsibility

答案：

A. reward

B. request

C. research

(答案→)D. responsibility

解析：A. reward奖赏，回报，B. request 要求，C. research研究，D. responsibility责任，句意：公司认为给工人提供教育是他们的社会责任。所以选D。