GRE Text Completion: JiJing 1373-GRE填空机经1373题 - 1PWT68PA548S7EFZA

Though Fine leavens her work with humor and playfulness, she can be ____________ writer, mincing no words in her judgements of other scientists' work. A. an acerbic B. a provocative C. an ingratiating D. a demanding E. an obsequious F. a harsh