Tom and Jerry found $\frac{1}{2}$ of a steak in the kitchen. Tom ate $\frac{1}{2}$ of the leftover steak and Jerry ate $\frac{1}{4}$ of it. They decided to give the rest to their friend Spike. What portion of the original steak would Spike get? 
选项为:A:$\frac{1}{4}$  B:$\frac{1}{8}$  C:$\frac{1}{16}$  D:$\frac{1}{32}$  请回答其中一个选项.