下列与“难为俗人言也”中“为”的意义和用法相同的一项是（　 ）

In addition to keeping on taking ________ exercise, Alan is also going on ____ diet to lose weight.

Yunnan ______from serious drought since 2009, so it’s our duty to save water every day

Our reading club shares ideas with each other ________ one hour every Tuesday.

Would you mind turning up the music — ________. Dad is sleeping now.