GWD-8-Q2关于both的用法

GWD-8-Q2:

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.

e.      Jazz pianist and composer Thelonious Monk produced a body of work rooted both

答案选d。想问一下e为什么不对呢？1.我觉得d的that was rooted啰嗦，不像ETS的风格 2.both 是不是必须紧靠在所修饰的名词前? 谢谢