—I'd rather you didn't. It makes me _______.
A:happy
B:uncomfortable
C:lonely
D:sad
下表中的甲、乙、丙、丁分别代表我国的三北防护林、长江流域防护林、沿海防护林以及珠江流域防护林体系的林地利用情况,读后回答下列题目。