I think the answer is "they sicken and die too quickly...". Have a look at the first line in the bit we're given.
Answer:
"After the conversation with her publisher, she decided to write an autobiography." -- take out the word "when"
Explanation:
Allusion: Diamonds were not a girl's best friend, she realized, as the attendant pointed at the astronomical number attached to the ring.
Simile: Her eyes were clear and blue like sapphires.
Metaphor: A steady trickle of ruby droplets ran from the corner of his mouth, interrupted by a wet cough and the subsequent heaving of his chest.
1.a
2.b
3.b
4.b
5.a
6.b
7.b
8.a
9.b (i think)
10.a
C “we’ve decided to invite more guests to the party”