Students conducted an online survey of college students for their class project. In all, emails were sent to 250 students requesting their participation. At the conclusion of the data collection period, 95 completed surveys were received. Additionally, 25 partially completed surveys were received.

Calculate the response rate for this survey under each of the four following definitions:
A. All nonrespondents are considered to have been eligible. Only fully completed surveys are counted as complete.
B. All nonrespondents are considered to have been eligible. Both fully and partially completed surveys are counted as complete.
C. 50% of the nonrespondents are considered to have been eligible. Only fully completed surveys are counted as complete.
D. 50% of the nonrespondents are considered to have been eligible. Both fully and partially completed surveys are counted as complete.