Karen baked desserts for a charity fund-raiser. She made 8 pies, 2 cakes, and 2 batches of cookies. She never baked more than two desserts in any 1 day, and she never made two of the same dessert in 1 day. What is the highest number of desserts that Karen could have made in 5 days?
a. 8
b. 9
c. 10
d. 11
e. 12
please answer and explain