【题目】The ideas _______ most inventions come from people trying to solve a problem.
A.fromB.underC.beyondD.behind
在线课程【答案】D
【解析】
考查介词词义辨析。句意：大多数发明背后的想法来自于人们试图解决问题的努力。A. from从……（到）；B. under在……下面；C. beyond超过；D. behind在……后面。根据“come from people trying to solve a problem.”可知此处指“发明背后的想法”，故D项正确。