The new house's front door is secured by an electronic lock; a feature that not only allows residents to lock and unlock the door without physical keys, but also may prevent them from entering the house during a power outage. (A) a feature that not only allows residents who lock and unlock the door without physical keys, but also may prevent
(B) a feature allowing residents without a physical key to lock or unlock the door, but also possibly preventing
(C) a feature allows residents locking or unlocking the door without physical keys, but also possibly preventing
(D) this feature allows residents to lock and unlock the door without a physical key, but may also prevent
(E) this feature not only allows residents without physical keys to lock or unlock the door, but also prevents