恐龙 Pop Quiz

恐龙 are divided into two traditional orders according to...
 恐龙 are divided into two traditional orders according to...
Choose the right answer:
Option A What they ate {(Herbivorous 或者 Carnivorous}
Option B How they used to walk {Bipedal 或者 Quadrupedal}
Option C Armored ot not armored
Option D Their pelvic structure
 makintosh posted 一年多以前
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