![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-56/ti_inject-812ce.png)
How does the speaker view the study of populations?
A.
It is essential to the wellbeing of all species on earth.
B.
It is becoming a subject of interdisciplinary research.
C.
It is neglected in many of the developing countries.
D.
It is beginning to attract postgraduates’ attention.