“如果你去天山，从山脚往上爬，超越天山雪线以上，就可以看见青凛凛的雪的寒光中挺立着一朵朵玉琢似的雪莲”，从这段话可知雪莲生长的环境是（　　）

A．低寒山区

B．干旱的地方

C．高寒山区

D．寒冷的湖泊

What may be the oldest fossil footprint yet found was discovered in June 1968 by William J. Meister, a non-professional fossil collector.

A．a part-time

B．a spare-time

C．an untrained

D．an amateur