— What's his name?

— _______________[ ]

A. My name is Tom.

B. His name is Tom.

C. I'm Tom.

关于科学推测，正确的叙述是[ ]

A．科学推测需要确凿的证据

B．科学推测需要严密的逻辑

C．科学推测需要丰富的联想和想象

D．以上三项都需要