Answer:
A. 77
Step-by-step explanation:
The mode of a data set is the value that appears the most number of times.
Here, we see that all the values appear once, except for 77, which appears twice:
74, 73, 76, 77, 71, 68, 65, 77, 67, 66
Thus, the answer is A, 77.
<em>~ an aesthetics lover</em>
