选词填空 — 英语选择题

选词填空：请先判断空格所缺成分的词性，再结合语义选出正确选项。句子：The report ______ that early childhood education programs can significantly improve children's long-term academic performance. 下列四个备选词中，只有一项在词性和语义上均符合语法要求。A. advocates（动词，及物，可接that从句）B. advocacy（名词）C. advocates（名词复数）D. advocating（现在分词）