What principle is this?

GDPR quotes in one of its principles that personal data should be adequate, relevant and limited to what is necessary in relation to its purpose.

What principle is this?
A . integrity and confidentiality
B . purpose limitation
C . data minimization
D . lawfulness, loyalty and transparency

Answer: C

Explanation:

In its Article 5, which deals with the Principles concerning the processing of personal data, paragraph 1, the GDPR describes: