题目内容：
根据以下材料，回答题 Asmallcommitteeofscientists,writers,artists,andmusicianswasgiventhetaskofpreparingamessageto（41）tospace.（42）somedifferencesofopinion（43）thechoiceofmaterial,themembersofthecommitteeagreed（44）themainpoints;theyallsaidthatitwasessentialtoindicatethe（45）ofEarthintheuniverse,toshowwhatitlookedlike,andtogiveanideaoftherichnessandvarietyof（46）cultures.
Themessage（47）twohours．Itstartswith116（48）withoutsound,beginningwithadrawingofthesolarsystemandphotosofEarth（49）fromspace．Lifeisdescribedfirstwithrepresentationsofaman,awoman,a（50）feedingababy,agroupofolderchildren,andafamily．ToshowthatpeopleonEarthlivein（51）,therearealsopicturesofpeopleeating,（52）,cookingandplayingtogether．Thencomeallsortsofpeople:dancers,fishermen,membersofdifferentracesand（53）．Therearetrees,beachesandislands,leavesandsnowflakes,anactivevolcano,andevena/an（54）Thereareanimals,frombee（55）theelephant．Humanachievementsare（56）bysomeofourmostimpressivebuildingsandsceneries,（57）withordinaryhouses（58）variouspartsofariouspartsoftheworld．Picturesoftoolsandmachineshavebeen（59）;medicalandscientificinstruments;asupermarket;abusy"airport,andthe（60）ofaspaceship,andaflockofbirdsflyingacrossagorgeoussunset.
第41题答案是________ A．besent
B．sent
C．Send
D．sending
参考答案：
答案解析：