'openid' is required for any OpenID request connect flow.

‘openid’ is required for any OpenID request connect flow.

‘openid’ is required for any OpenID request connect flow.
A . If the ‘openid’ scope value is not present, the request is not a valid OAuth 2.0 request either
B. If the ‘openid’ scope value is not present, the request may still be a valid OAuth 2.0 request and also a valid OpenID Connect request
C. If the ‘openid’ scope value is not present, the request may still be a valid OAuth 2.0 request, but not
a valid OpenID Connect request

Answer: C