单项选择题

It is reported that air pollution affects rivers and lakes indirectly because it causes acid rain.

A．据报道，空气污染导致酸雨，因而对河流和湖泊造成间接影响。
B．据报道，空气污染了河流和湖泊，间接的原因是因为有酸雨。
C．据报道，空气污染间接来源于河流和湖泊的污染，因为后者会导致酸雨。
D．据报道，空气污染对河流和湖泊的影响是间接的，因为它的成因是酸雨。

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