In his speech the headmaster to the great help the school received from the district government.
A. expressed
B. pointed
C. explained
D. referred
网友回答
A. expressed
B. pointed
C. explained
(答案→)D. referred
解析：express表示,表达；point指出；explain解释；refer to提到。句意:校长在讲话中提到了区政府给学校的很大帮助。