GMAT Sentence Correction
The National Transportation Safety Board has recommended the use of fail-safe mechanisms on airliner cargo door latches assuring the doors are properly closed before takeoff and to prevent them from popping open in flight.
- A assuring the doors are properly closed
- B for the assurance of proper closing
- C assuring proper closure
- D to assure closing the doors properly
- E to assure that the doors are properly closed
Correct Answer: E