导致发动机冷却系水温过高的原因说法错误的是（）。
A.节温器常开
B.冷却水道有杂物
C.散热器片变形
D.风扇皮带过松
参考答案：A
Jenny was playing football and Tom was playing volleyball. [ ]
A.however
B.meanwhile
C.likely
D.often
