For the Following Questions, Consider the Dataset Below Collected from a Sample

For the following questions, consider the dataset below collected from a sample of trainees:
$\begin{array}{ccc} & \text { Training } & \text { Test score } \\\hline 1 & \text { A } & 12 \\2 & \text { A } & 9 \\3 & \text { B } & 6 \\4 & \text { B } & 10 \\5 & \text { C } & 30 \\\hline\end{array}$ Test scores represent the number of test questions trainees answered correctly on the post-training survey.
-What is the cumulative frequency of Training C?

A) 0.1
B) 0.2
C) 1
D) 2