单选题Which of the following phrases from the text best expresses the author’s conclusion about the meaning of the difference between left-eyed and right-eyed flatfish?A “most striking” (line 3, paragraph 1)B “variation is adaptive” (line 2, paragraph 2)C “m
题目
单选题
Which of the following phrases from the text best expresses the author’s conclusion about the meaning of the difference between left-eyed and right-eyed flatfish?
A
“most striking” (line 3, paragraph 1)
B
“variation is adaptive” (line 2, paragraph 2)
C
“mechanically disadvantageous” (line 7, paragraph 3)
D
“evolutionary red herring” (line 8-9, paragraph 4)