现在全球学习汉语的人达到1亿多。全球学习汉语热反映了（）。

A．汉字是人类进入文明时代的重要标志之一

B．中华文化以博大的胸襟广泛吸收外域文化

C．博大精深的中华文化得到世界人民的认可

D．汉语将取代其他语言成为全球通用的语言

The number of giant pandas is getting _____ because their living areas are becoming farmlands. [ ]

A. less and less

B. larger and larger

C. smaller and smaller

D. fewer and fewer