
Passage: A toxin-producing microbe turns seawater red, a phenomenon known as red tide. When the sea otter's main food source, clams, is contaminated with red tide toxins, sea otters do not forage in those areas. One explanation for this behavior of sea otters is that sea otters taste a few clams before they officially forage in a place. , and can detect any toxins in it
Question: Which of the followings, if true, would most indicate that the above interpretation is incorrect?
A. A.In some areas where red tides occur, there are neither clams nor sea otters.
B. B.Small amounts of red tide toxins do little harm, but large amounts can kill sea otters.
C. C.Sea otters also don't eat clams from places where red tide-affected areas of water are artificially dyed reddish-brown.
D. D.The presence of sea otters in an area is a clear sign that other marine life can be found there.
Answer: