It is （） of you to turn down the radio while your sister is stil

It is （） of you to turn down the radio while your sister is still ill in bed.

considerable

considerate

concerned

careful

当你姐姐还在床上生病时，请你体贴一下，把收音机音量关小一点。considerate体贴的，符合题意。considerable相当多的；concerned有关的；careful仔细的。