Identify the error-free sentence: A. This research method, called ECoG, requires major surgery, which is why it almost never happens without the volun...

Identify the error-free sentence:

A. This research method, called ECoG, requires major surgery, which is why it almost never happens without the voluntary participation for patients.

B. The rise and reign of supergiant rounds are a phenomenon that emerges from a confluence of different factors.

C. Hundreds across the country called in the university and government to do more to prevent sexual assault and harassment.

D. Take a magnifying glass to Jolie's early home life and an emancipation will not be anything particularly out of the ordinary.

E. He asked New Delhi to reciprocation so that Kashmir issue could be resolved.