Is the passage of dialogue written correctly or incorrectly?

"Did you see any dolphins at the aquarium in Baltimore?" Sam asked.
"They were beautiful." replied Brett, "But I wasn't close enough to take good pictures."

A. incorrectly
B. correctly

Question

Is the passage of dialogue written correctly or incorrectly? 

    "Did you see any dolphins at the aquarium in Baltimore?" Sam asked. 
    "They were beautiful." replied Brett, "But I wasn't close enough to take good pictures."

A. incorrectly
B. correctly

anonymous · Answer

I think its correct.

anonymous · Answer

A. incorrect because when Brett says "They were beautiful." The period is supposed to be a comma

anonymous · Answer

omg yeah !

anonymous · Answer

Thanks! Sorry my internet is acting up