Task: Question Answering
Input (English): Question: Kim bought a total of $2.65 worth of postage stamps in four denominations. If she bought an equal number of 5-cent and 25-cent stamps and twice as many 10-cent stamps as 5-cent stamps, what is the least number of 2-cent stamps she could have bought ?

 Option A:  5

 Option B:  10

 Option C:  7.5

 Option D:  20

 Option E:  25
Output (English): Option C