The inspection process at Ellis Island was frightening for new immigrants.

Which line from the text best supports this central idea?

Before they could be admitted to the United States, immigrants had to pass through Ellis Island.
The immigrants had numbered identity tags pinned to their clothing.
Since trachoma caused more than half of all medical detentions, this doctor was greatly feared.
They were allowed to sit and rest and try again.

Since trachoma caused more than half of all medical detentions, this doctor was greatly feared.

Explanation:

the sentence that best describes the tone of the passage from the radio broadcast compared to the passage from the book is b. the radio broadcast has a more surprised tone.

consider the text evidence: in the passage from the book, the description is more matter-of-fact. it is simply describing the things resembling little grey snakes, but there is no urgency in the description. on the other hand, in the passage from the radio broadcast, there is definetely urgency (you can tell from the expression used, "good heavens", which clearly indicates surprise.)