单选题：AJimmywasfiveyearsoldandhisbrother，Billy，wasonlyababy.Onemor

A
Jimmywasfiveyearsoldandhisbrother，Billy，wasonlyababy.Onemorninghismotherwaitedforanimportanttelephonecallforhours，butnobodycalled.Therewasnobreadinthehouseandshehadtogoouttobuysome.Jimmystayedathometolookafterthebaby.Whenthemotherwasout，thetelephonerangandJimmyanswered.
Mr.Baker：Hello!MayIspeaktoMrs.White?
Jimmy：Sorry，Motherisout.
Mr.Baker：Well，whenshecomesback，saytoher，“Mr.Bakercalled.”
Jimmy：What?
Mr.Baker：Mr.Baker.Writeitdown.B-A-K-E-R.
Jimmy：HowdoyouwriteB?
Mr.Baker：HowdoIwrite…?Listen，littleboy，isthereanybodyelsewithyou?Anybrothersorsisters?
Jimmy：Yes，mybrotherBillyishere.
Mr.Baker：Good.Iwanttotalktohim，please.
Jimmy：Allright.Jimmytookthetelephonetothebaby‘sbedandputitbesideitshead.Notlongafterthathismothercameback.
Mother：Didanybodycall?
Jimmy：Yes，amancalled.ButheonlywantedtotalktoBilly.
Jimmy‘smotherwaitedfor________.
A.animportantman
B.agoodfriend
C.atelephonecall
D.apieceofgoodnews