菠萝蜜是“果中之王”。切开成熟的菠萝蜜时可闻到一股芳香味，这说明[ ]

A．分子在不断运动

B．分子质量很小

C．分子体积很小

D．分子间有间隔

.

He never makes a promise he doesn’t intend to keep, so when he says forever, forever is__________he means.

A．what

B．how

C．which

D．that