Lucas pays for $4$ pens and $3$ pencils. Bryan spends twice as much paying for $2$ pens and $16$ pencils. A pen is how many times as expensive as a pencil? 
选项为:A:$\frac{3}{2}$  B:$\frac{5}{3}$  C:$\frac{7}{4}$  D:$$2$$  E:$\frac{13}{4}$  请回答其中一个选项.