汉译英：“承兑交单；付款交单；货到即付”，正确的翻译为( )。

A．document against acceptance；document against payment；payment against arrival

B．document against payment；document against acceptance；payment against arrival

C．document against acceptance；payment against arrival；document against payment

D．payment against arrival；document against payment；document against acceptance

下列变化过程中，不涉及化学变化的是

A．碳的燃烧

B．水的通电分解

C．钢铁融化制铁锅

D．氨气溶于水