In the Case of the Amnesia Patient H

In the case of the amnesia patient H.M. presented in the text, it was found that:

A) his declarative memory and procedural memory were severely impaired.
B) his episodic memory functioned normally but his semantic memory and procedural memory were severely impaired.
C) his semantic memory functioned normally but his episodic memory and procedural memory were severely impaired.
D) his procedural memory functioned normally but his declarative memory was severely impaired.