Researchers wanted to test whether plants could communicate through underground fungal networks. ______ , they exposed one plant in a network to insect attack and measured chemical responses in nearby unattacked plants.
Which choice completes the text with the most logical transition?
- A
Despite this
- Bcheck_circle
To do so
- C
In conclusion
- D
However
Explanation
The second sentence describes the method used to test the hypothesis stated in the first. "To do so" signals method or means. The others do not.