The young scientist designed a low-cost water filter using local clay and sawdust. ______ , she traveled across rural communities teaching families how to build their own filters.
Which choice completes the text with the most logical transition?
- Acheck_circle
In addition
- B
By contrast
- C
In other words
- D
However
Explanation
The second sentence describes another action she took. "In addition" signals addition. The others do not.