【单选题】Cholera affects millions of people around the world. It causes diarrhea, which can lead to dehydration and even death. Cholera toxin affects a chloride transporter that secretes chloride ion into the ...
A.
The toxin turns off the transporter, so the negatively charged chloride pushes water into the lumen
B.
The toxin turns on the transporter, and water follows the ion due to osmosis
C.
The toxin turns on the transporter, and water is actively transported with the ion
D.
The toxin turns off the transporter, so water is no longer exchanged for chloride ion