A nurse is caring for a client with a history of GI bleeding, sickle cell disease, and a platelet count of 22,000/μL. The client is dehydrated and receiving dextrose 5% in half-normal saline solution at 150mL/hr. He reports severe bone pain and is scheduled to receive a dose of morphine sulfate. In administering the medication, the nurse should avoid which route（）

A. Oral.

B. IV.

C. IM.

D. Subcutaneous (SC).

下列各项中，论述错误的是（）

A.任脉别络散布于腹部

B.督脉别络散布于头部

C.脾之大络散布于全身

D.大肠经之络脉走向肺经

E.心经络脉走向小肠经