单选题 As the chairman of the students' union, Thomas was said __________ other students in need.

【正确答案】 C
【答案解析】作为学生会主席,据说Thomas帮助过其他有困难的学生。该题考点为不定式的时态,原句相当于It was said that Thomas had helped other students in need,用不定式的完成时。