John 13:22 in the King James Version
Then the disciples looked one on another, doubting of whom he spake.
Context
21 When Jesus had said this, he was troubled in spirit, and testified, “Most certainly I tell you that one of you will betray me.”
22 The disciples looked at one another, perplexed about whom he spoke.
23 One of his disciples, whom Jesus loved, was at the table, leaning against Jesus’ chest.