题目内容：
Questionsarebasedonthefollowingpassage:
Weusebothwordsandgesturestoexpressourfeelings,buttheproblemisthatthesewordsandgesturescanbeunderstoodindifferentways.
Itistruethatasmilemeansthesamethingsinanylanguages.Sodoeslaughterorcrying.
Therearealsoanumberofstrikingsimilaritiesinthewaydifferentanimalsshowthesamefeeling.
Dogs,tigersandhumans,forexample,oftenshowtheirteethwhentheyareangry.Thisisprobablybecausetheyarebornwiththesebehaviorpatterns.
Fearisanotheremotionthatisshowninmuchthesamewayallovertheworld.InChineseandinEnglishliterature,aphraselike"hewentpaleandbegantotremble"suggeststhatthemaniseitherveryafraidorhehasjustgotaverybigshock.However,"heopenedhiseyeswide"isusedtosuggestangerinChinesewhereasinEnglishitmeanssurprise.InChinese"surprise"canbedescribedinaphraseliketheystretchedouttheirtongues[StickingoutyourtongueinEnglishisaninsultinggestureorexpressesstrongdislike.
Eveninthesameculture,peopledifferinabilitytounderstandandexpressfeelings.
ExperimentsinAmericahaveshownthatwomenareusuallybetterthanmenatrecognizingfear,anger,loveandhappinessonpeople'sfaces.Otherstudiesshowthatolderpeopleusuallyfinditeasiertorecognizeorunderstandbodylanguagethanyoungpeopledo.
Accordingtothepassage,（ ）. A．wecanhardlyunderstandwhatpeople'sgesturesmean
B．wecannotoftenbesurewhatpeoplemeanwhentheydescribedtheirfeelinginwordsorgestures
C．wordscanbebetterunderstoodbyolderpeople
D．gesturescanbeunderstoodbymostofthepeoplewhilewordscannot
参考答案：
答案解析：