Middle School

Answer the following question regarding the table below:

```
90 91 93 94 97 97 99
90 92 93 95 97 98 99
90 92 94 95 97 98 99
91 92 94 95 97 98
91 93 94 97 97 98
```

Which number appears most frequently?

A. 90
B. 94
C. 97
D. 98