Is the passage of dialogue written correctly or incorrectly?

"Why is the dog barking?" Jenna asked impatiently.
"She might smell a stranger approaching," Grandpa answered.
"I don't see anybody from the window," Jenna said. "The dog hasn't barked this long before," she continued.
"We should check for ticks," suggested Grandpa.

A.
correctly

B.
incorrectly

Question

Is the passage of dialogue written correctly or incorrectly? 

    "Why is the dog barking?" Jenna asked impatiently. 
    "She might smell a stranger approaching," Grandpa answered. 
    "I don't see anybody from the window," Jenna said. "The dog hasn't barked this long before," she continued. 
    "We should check for ticks," suggested Grandpa.
 
 A.
correctly
 
 B.
incorrectly

anonymous · Answer

help plse

hellomynameiskam · Answer

A. correct. because i dont see any errors and the grammar is good. sorry this is 11 months late.