Sentence Correction (SC) | Re: An exceptional student who mastered calculus at age six and

An exceptional student who mastered calculus at age six and studied particle physics at age ten,Nora Brodkey's astute scientific mind was vital to the creation of quontronics in the 1970s, when she discovered the fluctuating waves present in deep space.

a) Nora Brodkey's astute scientific mind was
b) it was the astute scientific mind of Nora Brodkey that was
c) Nora Brodkey was the woman whose astute scientific mind was
d) Nora Brodkey was the astute scientific mind
e) the astute scientific