Which of the Following Is the Best Example of an Intermediate

Multiple Choice

Which of the following is the best example of an intermediate good?  

A)  the flowers Mr. Grover buys at a local nursery 
B)  the flour Grandma Grover buys to make a birthday cake 
C)  the flour that Joe buys so that he can eat pizza three nights a week 
D)  the flour Amy orders each month for the bakery she manages