prep07里的一道题，关于also的用法

xxylem

Bluegrass musician Bill Monroe, whoserepertory, views on musical collaboration, and vocal

style were influential on generations ofbluegrass artists, was also an inspiration to many

musicians, that included Elvis Presleyand Jerry Garcia, whose music differed significantly from

his own.

(A) were influential on generations ofbluegrass artists, was also an inspiration to many

musicians, that included Elvis Presley and Jerry Garcia, whosemusic differed significantly from

(B) influenced generations of bluegrassartists, also inspired many musicians, including Elvis

Presley and Jerry Garcia, whose musicdiffered significantly from

(C) was influential to generations of bluegrassartists, was also inspirational to many musicians,

that included Elvis Presley and JerryGarcia, whose music was different significantly in

comparison to

(D) was influential to generations of bluegrassartists, also inspired many musicians, who

included Elvis Presley and Jerry Garcia,the music of whom differed significantly when

compared to

(E) were an influence on generations ofbluegrass artists, was also an inspiration to many

musicians, including Elvis Presley andJerry Garcia, whose music was significantly different

from that of  

正确答案是B，其他选项里的主要错误都用红色标出了。

问题是B选项里的主句谓语是什么？also在这里不做连词嘛？？？

求大神们指教！

xxylem

错误：
A：，that
C，D：was
E： that of his own

xxylem

emmmmmm,不知道为啥发出来红色就没有了。。。