【题目】I'm ________ (that) she is lying.
A.conducted
B.connected
C.convinced
D.concentrated

【答案】C
【解析】考查相似词辨析。句意：我确信她在说谎。conduct"指挥，传导"；connected"连接的"；convinced"确信的"；concentrated"集中的"。be convinced 固定短语“确信”根据题意，故选C。