You must buy cupcakes and pizza for a party. Each cupcake costs $3, and each pizza pie costs $12. You know that you need at least 5 pizzas so that each person can have at least 2 slices of pizza. In addition, you cannot spend more than $100. If you want to figure out how many cupcakes and pizza pies you can buy, what system of inequalities would you write?

A. 3c+12p<100 p≥2

B. c+p≤100 3c+12p≥5

C. 3c+12p>100 p<5

D. 3c+12p≤100 p ≥5