Sentence Correction (SC) | Several columnists have harshly criticized a prominent construction co

Several columnists have harshly criticized a prominent construction company for, first of all, failing to complete projects on time, and secondarily, for their failure to adhere to government guidelines regarding construction of residential buildings.

A.secondarily, for their failure to
B.secondly, for their failure to
C.secondly, that they failed and did not
D.second, that they failed to
E.second, for failing to