Mark 14:19 in the World English Bible
They began to be sorrowful, and to ask him one by one, “Surely not I?” And another said, “Surely not I?”
Context
18 And as they sat and did eat, Jesus said, Verily I say unto you, One of you which eateth with me shall betray me.
19 And they began to be sorrowful, and to say unto him one by one, Is it I? and another said, Is it I?
20 And he answered and said unto them, It is one of the twelve, that dippeth with me in the dish.