The diagram represents students who study three subjects. The region marked by 2 represents students who study:
A. all the three subjects.
B. only one subject.
C. only two subjects.
D. no subject at all.
Answer:C
The diagram represents students who study three subjects. The region marked by 2 represents students who study:
A. all the three subjects. B. only one subject. C. only two subjects. D. no subject at all.