You are asked to require a site visitor to enter First name and Last name when creating a new account How can you do this in Drupal?

You are asked to require a site visitor to enter First name and Last name when creating a new account How can you do this in Drupal?
A . In Permissions, check "Require first and last name for user registrations"
B . In Account settings, under "Who can register accounts’?" select "Visitors, but full name is required"
C . In Account settings, go to Manage fields and add fields for First name and Last name. Set them to "required."
D . Create a block type with fields for First name and Last name, set them to "required" and add the block to the/user/register page.

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Answer: C