Doctors should take special care when treating children because their breathing rate is different from _____ of adults.

A．one

B．those

C．that

D．some

参保人员经批准转往外地医疗机构就医发生的符合规定的住院医疗费用，医保基金支付比例在三级定点医疗机构支付比例基础上（）。

A、降低10%

B、提高10%

C、降低20%

D、提高20%