quEstions 26 to 28 ArE BAsED on thE pAssAgE you hAvE just hEArD、 A．BECAusE its DEFinition is ComplEx.
B、BECAusE thErE ArE too mAny lAnDmArks.
C．BECAusE it is A journEy thAt nEvEr EnDs.
D．BECAusE thE DistAnCE is too long to mEAsurE.