The crowd, because it identifies a group of people and still sounds like a singular noun.
I'm fairly certain the answer Is, A, True.
There is no riskiest sexual behavior, but there are a lot of risky sexual behaviors, depending on what you see as the risk. Sometimes pregnancy may be a risk couples are not willing to take. In that case, unprotected sex is risky for them. Then, at all times, there is the person in polygamous relationships with others who are in polygamous relationships too, during which he is having intercourse without protection. He is at high risk of getting a sexually transmitted disease such as HPV.
Answer:
"Swung by Seraphim whose foot-falls tinkled on the tufted floor."
Explanation:
the narrator references the Bible by referencing Seraphim, six-foot tall winged creatures whose job in biblical lore was to fly around God’s throne and praise him by repeating “Holy” over and over. These Seraphim are similar to the raven in the fact that they can only say one word.