Sentence Correction

Architects and stonemasons, huge palace and temple clusters were built by the Maya without benefit of the wheel or animal transport.

(A) huge palace and temple clusters were built by the Maya without benefit of the wheel or animal transport
(B) without the benefits of animal transport or the wheel, huge palace and temple clusters were built by the Maya
(C) the Maya built huge palace and temple clusters without the benefit of animal transport or the wheel
(D) there were built, without the benefit of the wheel or animal transport, huge palace and temple clusters by the Maya
(E) were the Maya who, without the benefit of the wheel or animal transport, built huge palace and temple clusters

Confused between option C and E. I feel E is the right one, can any one explain ?

"Architects and stonemasons" is a modifier. This phrase refers to the people who built "the huge palaces and temples". Hence immediately following the comma, you should have the people who performed this action. Hence, "the Maya" (the subject) would be placed after the comma. The only option that does that is C.

Yes C is the only one.