English

Baker

21 January, 16:10

Read the sentence.

Over the years, a number of fiction writers--as a premise for their novels--have adopted a useful theory about the earth's interior. This theory suggests it is hollow and potentially inhabitable.

Which would be the best way to correct the pronoun reference problem in this sentence?

change "it" to "this interior"

eliminate "that"

change "earth's" to "its"

eliminate "it"