PT 30 S3 Q1

The okapi, a forest mammal of central Africa, has presented zoologists ... ...

Which one of the following most completely and accurately expresses the main idea of the passage?
(A) Information gathered by means of radio-tracking collars has finally provided answers to the questions about okapis that zoologists have been attempting to answer since they first learned of the mammal's existence.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Practice Set: Science & Technology Mix 2