Answer:
Intended/Unintended/Both Some European sailors and conquistadors have smallpox. Sailors come in contact with Native Americans, who contract the disease and die after infecting their relatives and neighbors, who continue to spread the disease. Unintended: Europeans did not intentionally infect Native Americans with diseases. Europeans bring rice and wheat with them and plant the crops in the New World. Rice and wheat become important crops in many parts of North America. Intended: Europeans intended to grow rice and wheat in the New World to supplement the native crops. Europeans take potatoes from the New World back to Europe
Источник: https://educheer.com/essays/consequences-of-the-columbian-exchange/
Explanation:
If the underlined word is only 'barking', then the correct answer is B) present participle, because those are used to form present progressive tense, as is the case here.
A) would be 'barked'.
C) would be 'bark/barks'.
D) would be 'barked', the same as A.
The quality of logic in writing is called "coherence".
C. is biased
A non-objective opinion, or a subjective one, carries a bias with it. The author may still be accurate in his or her own regard; however, there is a bias present.