that be在定语从句中一定要省吗？

echowjx

Thelonious Monk, who was a jazz pianist and
composer, produced a body of work both rooted in the
stride-piano tradition of Willie (The Lion) Smith and
Duke Ellington, yet in many ways he stood apart from
the mainstream jazz repertory.
(A) Thelonious Monk, who was a jazz pianist and
composer, produced a body of work both rooted
(B) Thelonious Monk, the jazz pianist and composer,
produced a body of work that was rooted both
(C) Jazz pianist and composer Thelonious Monk,
who produced a body of work rooted
(D) Jazz pianist and composer Thelonious Monk
produced a body of work that was rooted
(E) Jazz pianist and composer Thelonious Monk
produced a body of work rooted both


答案 D
LZ当时因为D中that was没省略  犹豫了一下，但是根据排除，很容易选出D
所以LZ问， that was是不是尽量省？   但不省也不能判为错？

sophieMOON

先排除major error 再看这类错误。。。