By focusing on poverty, the other causes of crime—such as the breakup ... ...

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 other causes of crime—such as the breakup of the nuclear family, changing morals, the loss of community, etc.—have been overlooked by sociologists.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Nova Press: Set C - Misplaced and Redundant Modifiers