In an attempt to attract more tourists, the Swiss government commissioned several life-size fiberglass cow statues, having them decorated by local artists, and set them up on the streets of Zurich. A. the Swiss government commissioned several life-size fiberglass cow statues, having them decorated by local artists, and B. the Swiss governement commissioned several life-size fiberglass cow statues, they were decorated by local artists, and then C. the Swiss government commissioned several life-size fiberglass cow statues, had them decorated by local artists, and D. several life-size fiberglass cow statues were commissioned by the Swiss government, decorated by local artists, and then E. several life-size fiberglass cow statues, commissioned by the Swiss government, were decorated by local artists, and they 答案是C, 我选的是A, 我觉得 have them decorated 指使 life-size fiberglass cow statues被decorated, 这个动作的发出者是the Swiss government，所以 这个动作应该是主动的， 政府使牛像被装饰了~~ 所以我用having them,不知道为什么是had them?? | 
