Answer:
The definite article (the) is used before a noun to indicate that the identity of the noun is known to the reader. The indefinite article (a, an) is used before a noun that is general or when its identity is not known. There are certain situations in which a noun takes no article.
Explanation:
This is a hard one and I can see why you decided to post it here. B is most definitely wrong but the other three are all neck and neck. There are both even pros and cons of A and C but I think it would be more reasonable to adopt a general routine. So I think the answer would be C.
When your text states that communication is unavoidable, it means that people will probably associate meaning to your actions, even when you don not intend to speak of something.
Answer:
Yams, cocoa yams, and cassava
Explanation: