Which sentence most accurately describes the author's purpose for writing
this account?
A The author's purpose is to persuade readers to agree that the Mount
St. Helens eruption was a horrible disaster.
B The author's purpose is to tell the frightening yet exciting story of the
Mount St. Helens eruption.
C The author's purpose is to show readers that even this terrifying
natural disaster has had some benefits.
D The author's purpose is to convince readers to research the Mount St.
Helens eruption.