There are several ways to build solid walls using just mud or clay, but the most extensively used method has been the forming of bricks out of mud or clay, and, after some preliminary air drying or sun drying, they are laid in the wall in mud mortar.
There are several ways to build solid walls using just mud or clay, but the most extensively used method has been the forming of bricks out of mud or clay, and, after some preliminary air drying or sun drying, they are laid in the wall in mud mortar.
(A)the forming of bricks out of mud or clay, and, after some preliminary air drying or sun drying, they are laid
(B)forming the mud or clay into bricks, and, after some preliminary air drying or sun drying, to lay them
(C)having bricks formed from mud or clay, and, after some preliminary air drying or sun drying, they were laid
(D)to form the mud or clay into bricks, and, after some preliminary air drying or sun drying, to lay them
(E)that bricks were formed from mud or clay, which, after some preliminary air drying or sun drying, were laid
The relative clause beginning with which apparently (but nonsensically) describes the closest nouns, mud or clay, rather than bricks.
which的谓语明显是WERE,是复数啊,怎么可能指代mud or clay 这个单数短语呢???明显指代bricks啊~~~~