题目内容
(请给出正确答案)
[主观题]
According to the passage, growing lab meat is technically difficult because______
According to the passage, growing lab meat is technically difficult because _________
A. meat is a tissue not difficult to be made artificially
B. it is too expensive to produce a single pound of lab meat
C. different cell types play different roles in flavors and mouth-feels
D. exact cell structure imitation is not essential to make the lab meat delicious
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