Architects and Stonemasons, huge palace and temple clusters were built by the Maya without benefit of the wheel or animal transport.
肯定不对的选项就不打了,以下2个为最有希望的选项: c) the Maya build huge palace and temple clusters without the benefit of animal transport or the wheel e) were the Maya who, without the benefit of the wheel or animal transport, built huge palace and temple clusters
为什么e不行? 选E的话,句子的主体部分是: Architects and stonemasons were the Maya who build huge palace and temple clusters.