Which sentence contains the best use of dialogue to convey the joy katie feels about the surprise visit from her best friend? a) "it's so nice to see you again," said katie calmly. b) "is that you, sarah? it's been so long. i hardly recognize you," uttered katie sadly. c) "hello! how nice of you to visit me. would you like to go to the movie? " asked katie sincerely. d) "wow! i can't believe you are standing here. i have missed you so much," exclaimed katie excitedly.