Which of the following is a factual claim A. Imagine a world with twice as many birds in it.
B. Judging from his antics, my cat has more than nine lives
C. cats killing birds is just part of the cycle of life
D. House cats kill more birds than any other animal

the answer is b

Explanation:

because it's proving something they witnessed based off facts hence the word factual

answer: d.she abandons people when they least expect it.

in the monk's tale, we encounter seventeen stories that relate historical events. all of these stories have tragic commonalities. they tell the stories of heroes who, despite their success in life, all met sad ends. the monk blames these sad outcomes on fortune. one of fortune's traits is that she abandons people when they least expect it. this is one of the most common themes of medieval tragedies.

showing or suffering from nervousness, fear, or a lack of confidence