Two passengers are having conversation in a train. Boy Do you think this train will leave on time? Girl Boy I'm really glad to hear it. a. I find it very di

Two passengers are having conversation in a train. Boy Do you think this train will leave on time? Girl Boy I'm really glad to hear it. a. I find it very difficult to reach conclusion. b. I don't think there can be any doubt about c. There's some doubt in my mind. d. It is not at all certain