Which suspense technique is being used in the quote?

“Three times he paused at the gate and then walked on again. The fourth time he stood with his hand upon it, and then with sudden resolution flung it open and walked up the path.”Immersive Reader
(5 Points)
Delaying the delivery of key facts
Unanswered questions for the reader
Short sentences to quicken the pace
Repetition to draw out action