Answer the following question: Fact 1: Apesticide is used for protecting plants by killing insects. Fact 2: All pesticides that contain DDT are dangerous pesticides. Given the two facts above, what does DDT do to insects?

Choices:
(1). uncontrolled;
(2). feed them;
(3). kill them;
(4). Relieve pain;
(5). Dehydration;
(6). produce them;
(7). it needs them;
(8). shelter them;
Answer:
(3).