This line graph represents the price of a trading card during the first $6$ months of $1993$.

The greatest monthly drop in price occurred during
$\text{(A)}\ \text{January} \qquad \text{(B)}\ \text{March} \qquad \text{(C)}\ \text{April} \qquad \text{(D)}\ \text{May} \qquad \text{(E)}\ \text{June}$
The graph shows the following price changes:
Jan: $-0.50$
Feb: $+2.00$
Mar: $-2.50$
Apr: $+3.00$
May: $-0.50$
Jun: $-2.00$
Therefore, $\boxed{\text{(B)}\ \text{March}}$ has the largest price drop.