If you don't understand reread the question ahain and again
Answer:
B) GAINS, will enhance international efforts to collect and analyze laboratory samples from wild birds and identify genetic changes in the virus.
Quatrains contain 4 lines my good sir.
Answer: suffix: An affix that, when posited to a root, radical, theme, or word, produces inflected or derived forms.
Explanation:
the word is derived from drama and the suffix is: tise
