Which of the Following Statements Accurately Describes Naturally Occurring Food

Which of the following statements accurately describes naturally occurring food toxicants? 

A)  Lima beans contain deadly cyanide compounds. 
B)  Solanine poisoning is common in people who eat raw potatoes. 
C)  The toxic laetrile in certain fruit seeds is a moderately effective cancer treatment. 
D)  People with thyroid problems should eat mustard greens and radishes raw. 
E)  Even small amounts of goitrogen-containing vegetables can cause thyroid problems.