Sentence Correction

It was extremely discouraging to learn that the bank, with whom I have had a savings account for over twenty years, could not open a checking account for me because I did not have proper identification.

a. same
b. that the bank with which I have had a savings account for over twenty years
c. that the bank, with who I have had a savings account for over twenty years
d.that the bank, with that I have had a savings account for over twenty years
e. that the bank, where I have had a savings account for over twenty years

QA is B