Many people think it's very difficult to ________ a conversation with someone who only says “Yes” and “No”.
A. break off B. focus on
C. keep up D. listen to
Many people think it's very difficult to ________ a conversation with someone who only says “Yes” and “No”.
A. break off B. focus on
C. keep up D. listen to
C 考查短语辨析。句意：许多人认为要跟只会说“是”或者“不是”的人维持一段对话很难。break off意为“折断”；focus on意为“集中于”；keep up意为“保持，继续，跟上”； listen to意为“听”。根据句意可知C项正确。