The studio’s retrospective art exhibit refers back to a simpler time ... ...

Determine whether or not there is an error in the underlined portion of the sentence above. If there is no error, select answer choice "A".
(A) The studio’s retrospective art exhibit refers back to
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Nova Press: Set F - idiom & Usage