Choose the sentence with the best word.
1 As we greet each other from across the room, I cannot help but being marveled for a moment by the simple fact that we are all here.
2 As we greet each other from across the room, I cannot help but marvel for a moment at the simple fact that we are all here.
3 While we greet each other from across the room, I cannot help but marveling for a moment at the simple fact that we are all here.
4 While we greet each other from across the room, I cannot help but have marvelling for a moment by the simple fact that we are all here.