在社会发展的同时，人类的朋友大自然却遭到了极大的伤害，弹奏出人与大自然不和谐之音。下面不属于这种不和谐之音的是[ ]

A．自然物种在减少

B．自然景观遭到人为破坏

C．环境状况不容乐观

D．关爱大自然，保护大自然

The coach explained the regulations at length to make sure that none of his players world become violators.

A．at last

B．at large

C．in detail

D．in short