19-03NA 阅读 Q29

提问原文Colon在原文第五段的评论目的是什么？回到原文line 50-62，从line 58行：If you can use enzymes for building chemicals, you open the door to making many of the natural compounds we rely on every day. Colon说如果可以用酶（enzyme）来build chemicals，那么无疑是打开新世界的大门，所以选择D：emphasize the innovative nature and great potential of the bionic leaf。

A选项的technological sophistication and intricate design, 不符合。
B选项的collaborative spirit，不符合，
C选项的careful testing and continuous improvement，不符合。