Read the following passage from an analysis essay's body:
Nathaniel Hawthorne's The Scarlet Letter is about a woman who had an affair during Puritan times. Herman Melville's Moby-Dick is about an obsessed sea captain's pursuit of a whale who once injured him. The main character of Hawthorne's book goes through deep psychological turmoil. The whale in Moby-Dick represents nature's power.
What is the primary weakness of this passage?
A.
The individual arguments are implausible.
B.
The writer fails to provide a clear, consistent claim.
C.
Psychology and nature are inappropriate topics.
D.
Two books are discussed in the same paragraph.
D.
Two books are discussed in the same paragraph.