孟子说：“权，然后知轻重；度，然后知长短。物皆然，心为甚。”下列诗句反映的哲理与其一致的是（  ）

A．国家兴亡自有时，吴人何苦怨西施。

B．暗潮已到无人会，只有篙师识水痕。

C．历尽天华成此景，人间万事出艰辛。

D．冗繁削尽留清瘦，画到生时是熟时。

When caring for a client during the second stage of labor, which action would be least appropriate

A．Assisting the client with pushing.

B．Ensuring the client's legs are positioned appropriately.

C．Allowing the client clear liquids.

D．Monitoring the fetal heart rate.