27.
Your Answer is
Correct Answer is B
Explanation
Item C/D: The logical subject of alarmed is the Maui Chamber of Commerce, but the logical subject of endangered is the plant, which cannot be the Maui Chamber of Commerce, excluding item C/D. Item A: The object of being endangered is Haleakala ahinahina, so it needs to be expressed clearly, item A is wrong, and item B is correct.