【题目】She’s added a few characters and changed some names but ________ this is a true story.
A. completely B. necessarily C. gradually D. essentially
在线课程【答案】D
【解析】考查副词词义辨析。句意：她又加了几个角色，改了几个名字。但基本上，这是个真实的故事。A. completely完全；B. necessarily必要；C. gradually渐渐；D. essentially本质上。D项符合语境。