複選題184. 車輛僅顯示 P0442「EVAP system small leak detected」之故障碼，其控制回路如圖所示，下列何者為較不可能之故障原因？(A)A failed fuellevel sensor (B)A failed fuel cap (C)An open circuit at EVAP purgesolenoid terminal b (D)A short-to-ground at EVAP vent solenoid terminalb 。