Daisy, a sixteen-year-old, was involved in a car accident in which she suffered a serious brain injury. Since then, Daisy is unable to remember anything about her past experiences. She cannot recall what she did last week, how the accident happened, or any of her childhood experiences. However, she is able to read, write, and speak accurately and remembers the names of countries, things, places, and famous people. In the context of long-term memory, which of the following is most likely true in this scenario?

a. Daisy's sensory memory is completely impaired.
b. Daisy's procedural memory is impaired,but her episodic memory is intact.
c. Daisy's long-term memory is completely impaired.
d. Daisy's episodic memory is impaired,but her semantic memory is intact.