42 .In the first paragraph of Passage 1, the author suggests that mammals
A) were the only species that survived the KT extinction.
B) were very rare until 65 million years ago.
C) were not the dominant species on earth before the asteroid hit.
D) were wiped out after an asteroid hit the earth.43 .Which choice provides the best evidence for the answer to the previous question?
A) Lines 1-4 (“A panel...ago”)
B) Lines 4-8 (“The extinction...Earth”)
C) Lines 9-12 (“The new...Mexico”)
D) Lines 53-56 (“The KT...Earth”)44 .As used in line 24, “spewed” most nearly means
A) conflagrated.
B) disgorged.
C) exhumed.
D) siphoned.45 .Based on the information in Passage 1, it can be reasonably inferred that