Read the following context and choose the best option to answer the question.
Context: We just finished celebrating Ian 's birthday . Karl baked a huge mushroom lasagna and made creamed spinach and carrots vichy , plus we had a huge salad . Everyone was stuffed , and then we brought out the gingerbread cake with cream cheese frosting . It was all wonderful .
Question: What may be the reason Karl made the kind of food that he did ?
Options: 
A. Ian is a vegetarian .
B. Ian only eats cream cheese .
C. Ian only eats lasagna .
D. Ian is a carnivore .


A