1.I think I was at school ,___I was staying with a friend during the vacation when I heard the news.C

1.I think I was at school ,___I was staying with a friend during the vacation when I heard the news.C
A and then B even so C or else D or so
2.The trumpet player was certainly loud .But I wasn't bothered by his loudness___by his lack of talent.D
A than B more than C as D so much as
3.The different parts and communities of the United States are like one another ___big airport all over the world are like one another.A
A in the same way as Bin the way like
C as the same way as D as the same way like
4._____eonomic conditions improve next year ,there will be widespread unrest in that country.A
A unless B provided C if D though
5.I will be with you in a moment ,___ you'll just allow me a couple of minutes to acquaint myself with the rules of game .D
A and B before C unless D if
6.The transformation they worked in high education was __ the captains of indusrty did in steel or oil.B
A almost great as what B almost as great as what C as almost great as which D almost as great as which