DirECtions: in this sECtion, you will hEAr 3 short pAssAgEs.At thE EnD oF EACh pAssAgE, you will hEAr somE quEstions.Both thE pAssAgE AnD thE quEstions will BE spokEn only onCE.AFtEr you hEAr A quEstion, you must ChoosE thE BEst AnswEr From thE Four ChoiCEs mArkEDA,B,C、AnDD、thEn mArk thE CorrEsponDing lEttEr onAnswEr shEEt 2 with A singlE linE through thE CEntrE.

pAssAgE onE quEstions 26 to 28 ArE BAsED on thE pAssAgE you hAvE just hEArD、

A．just vEry EAsy.
B．not so hArD、
C．simply A hEADAChE.
D．impossiBlE.