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, tissues
E. in that they are composed of tissues such as tooth and bone, tissues
想請教的是, 正確選項E的原句是否是
Teratomas are unusual forms of cancer in that they are composed of tissues such as tooth and bone, tissues WHICH ARE not normally found in the organ in which the tumor appears.
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附記: 爬文有爬到OG208不過文章被鎖定只有另起主題摟 @@