根据对话内容，选出能填入空白处的最佳句子。
A: Hello, Sam?
B: Maria? Hi！____ 
A: I’m in Mexico! ____ 
B: Oh, thanks.
A: So how is it going there?
B: Great! ____ 
A: Pretty good. ____ 
B: Terrible. It’s cold and raining.
A: Well, ____ 
B: I’m having a party. My whole family is here.
A: That sounds like fun.