A company recently tested the effectiveness of three new insecticides. The company wanted to determine which insecticide they should use to kill multiple pest species of ants. The data table below shows the results from the company's experiment.
Insecticide Fire Ants Killed Sugar Ants Killed Carpenter Ants Killed
X 74% 94% 62%
Y 32% 12% 18%
Z 45% 67% 31%
Based on the results of the experiment, the company concluded that insecticide X would be the best one to use. Upon which of the following lines of evidence did the company base its conclusion?
A.
Insecticide X was more effective against carpenter ants than against sugar ants or fire ants.
B.
Insecticide X was more effective against sugar ants than against carpenter ants or fire ants.
C.
Insecticide X killed a greater percentage of all three species than did insecticides Y and Z.
D.
Insecticide X killed a greater percentage of two out of the three species than did insecticides Y and Z.
