B 
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? 
a: $\frac{3}{2}$ 
b: $\frac{5}{3}$ 
c: $\frac{7}{4}$ 
d: $$2$$ 
e: $\frac{13}{4}$ 