In the following questions, five statements are given, among which one of the statements is grammatically incorrect. Choose the incorrect statement and mark it as your answer.
A. The committee asked whether the municipal corporation would complete the drainage safety audit before the monsoon.
B. Ensure that all hazardous chemical waste facilities are inspected by certified environmental auditors this week.
C. How remarkably fast the newly installed air quality monitoring stations updated real-time pollution metrics yesterday!
D. The industrial unit did nothing but to pollute the local river basin throughout the past operating season. E. Were strict effluent standards enforced across all industrial belts, groundwater contamination levels would drop rapidly.