Read the following context and choose the best option to answer the question.
Context: I ' m tired and my back is bothering me . Otherwise , I had a lovely dinner with my friend Leslie last night where I drank Shirley Temples but could n't finish my yummy dinner . I watched movies when I got home with the kitty curled up on my belly . Then I went to bed and woke up a couple of hours later when Marc came in with a dog and cat following him .
Question: Why were they unable to finish their meal ?
Options: 
A. None of the above choices .
B. The drinks had filled their appetite .
C. There was too much food on their plate .
D. They had ate too much food .


B