Making Inferences in Informational Texts: Tutorial

Read the following excerpt.

"For a country said to be uninterested in its past, this would seem to be a giant exception to the rule. There are few if any decisive new facts remaining to be unearthed. There continue to be bands of Lincoln assassination enthusiasts who find it irresistible to speculate about what did or did not happen those fateful days in the spring of 1865. But they don't explain the passionate interest in the man."

What inference can you make based on the underlined portion of the text?

A. Lincoln assassination enthusiasts have contributed meaningfully to research on his death.
B. During the spring of 1865, experts unearthed new facts about Lincoln.
C. The circumstances surrounding Lincoln's death remain somewhat unclear.
D. Bands of Lincoln assassination enthusiasts speculate about why Americans aren't interested in their past.