OG10 208

Teratomas are unusual forms of cancer because they are composed of tissues such as tooth and bone not normally found in the organ in which the tumor appears.

(A)  because they are composed of tissues such as tooth and bone

(B)  because they are composed of tissues like tooth and bone that are

(C)  because they are composed of tissues, like tooth and bone, tissues

(D)  in that their composition, tissues such as tooth and bone, is （E）

(E)  in that they are composed of tissues such as tooth and bone, tissues

A为什么不对，我认为not normally found ...分词从句做定语做修饰 tooth and bone，请指正

http://forum.chasedream.com/dispbbs.asp?BoardID=23&ID=52944

lz可以看看这个帖子~

sophia_cc mm 的帖子是说such as 和like的区别，没有回答我的问题。

NN请继续