题目

In the end, it was Becky ________ he turned for a gentle word and a smile. A．on whom  B．in whom C．to whom  D．for whom 答案：答案：C解析：句意：最后，为了一句温柔的话和微笑，他向贝奇求助。turn to sb.“向某人求助”。举一个物体处于运动平衡状态的例子：______．