Which icon indicates a checked out entity?

A.
a red lock

B.
a green exclamation mark

C.
a green lock

D.
a red exclamation mark

Explanation:
1. “In the tree view, checked out entities are indicated by the following icons:
I. An entity checked out by the current user is displayed with an open green lock icon.
II. An entity checked out by another user is displayed with a red lock icon.”