Orvin went to the store with just enough money to buy 30 balloons. When he arrived he discovered that the store had a special sale on balloons: buy 1 balloon at the regular price and get a second at \dfrac{1}{3} off the regular price. What is the greatest number of balloons Orvin could buy?
Answer Choices
A. 33
B. 34
C. 36
D. 38
E. 39