Whitney conducted a survey of grocery store customers to determine the most popular brand of bread. Of the 66 people she surveyed, 13 customers liked Moonbeam, 22 customers liked Dora Lee, 19 customers liked Wondrous Loaf, and 9 customers liked Mostess.
Identify the sample size in the situation above.
A. 129
B. 22
C. 63
D. 66
