梁体混凝土出现的裂纹归纳起来有三种（）、（）和冻害裂纹。

The nurse is providing care for a client who underwent mitral valve replacement. The best example of a measurable client outcome goal is to （）.

A．change his own dressing.

B．walk in the hallway.

C．walk from his room to the end of the hall and back before discharge.

D．eat a special diet.