A-A+
Students learning about how life began on Eart
问题详情
Students learning about how life began on Earth may be presented with the perplexing question, "Which came first, the chicken or the egg？"
A．pressing
B．puzzling
C．patronizing
D．penetrating请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：B
解析：perplexing复杂的，令人困惑的；puzzling使入迷惑的；pressing紧迫的；patronizing屈尊俯就的；penetrating敏锐的，有洞察力的。
