补全对话。

Mike: Hi, Tony, let's 1_____ baseball.

Tony: 2_____ sounds good, Mike. That 3______ fun.

Mike: Do you 4_____ a baseball or a baseball 5_____?

Tony: Oh, no. I don't have a baseball and I don't have a baseball bat.

Mike: 6_____ your sister, Gina have a ball or a bat?

Tony: Yes, 7_____ does. Hi, 8_____! Where 9_____ your baseball and bat?

Gina: They're under the bed.

Tony: OK! 10_____ play.

以下说法正确的是( )。

A．随机事件的发生有偶然性与必然性之分，而没有大小之别

B．随机事件发生的可能性虽有大小之别，但我们却无法度量

C．随机事件发生的可能性的大小与概率没有必然联系

D．概率愈大，事件发生的可能性就愈大，相反也成立