Q - What is the primary focus of the passage?
B - Evaluating the effectiveness of GDPR on protecting consumer data.
C - Analyzing the debate surrounding consumer data privacy regulations.
I believe only these two choices are close to the right answer and A,D,E can be comfortably eliminated.
(B) - Choice B talks about evaluating the effectiveness of GDPR --
Both Para 1 and Para 2 talk about regulations collectively and GDPR is an example of such regulations that is discussed.
Para 1 where GDPR is first discussed,
"Stringent regulations like the European Union’s General Data Protection Regulation (GDPR) are necessary to protect personal data, others claim these regulations stifle innovation by imposing onerous compliance costs on businesses, particularly startups." Also, in Para 2 - the terminology used is
"these regulations" referring to not just GDPR but other alike regulations.
It is only in Para 3 that GDPR is specifically discussed and mentioned as
"the regulation" in para 3.
Furthermore, in all paras (including 3rd para), the passage is worded as a debate - highlighting views of the proponents as well as the critics. The last line of last para states
"Yet, the regulation's impact on innovation remains a hotly debated topic, with some industry experts suggesting that it has led to a decline in tech start-ups in Europe." - Even here the author of the passage has not provided his/her own opinion but quoted the industry experts - hence, we can say that the passage does not evaluate the effectiveness of GDPR but only analyses the debate around consumer data privacy regulations. The scope of choice B is narrow.
That's how I picked option C.