下列生活事件中，属于化学变化的是（　　）

A．把西瓜榨成汁

B．烧煤取暖

C．把铁丝弯曲成衣架

D．给自行车瘪胎打气

—My village has changed a lot.

—______. [ ]

A. So his has

B. So has his

C. So here is

D. So is hers