输液时发生静脉炎，错误的护理措施是（ ）

A．患肢制动

B．患肢下垂并用硫酸镁热敷

C．超短波理疗

D．如意金黄散加醋外敷

We like ______ on Sundays when the whole family get together talking and laughing.[ ]

A. this

B. that              

C. it              

D. those