D this question doesn't make sense
A tercet is a three line stanza.
It's not a genre, nor a rhyming scheme, nor is it a figure of speech. Tercets usually have more than 4 syllables per line.
Answer:
Part A) A: Sometimes the pain of a loss can be soothed by a gift of new life.
Part B) B: "Tonight for the first time, with her infant, Waterlily, asleep beside her, she was again completely happy."
Explanation:
Answer: D. Earlier, Rick had seemed uninterested; today, he looked downright enthusiastic.
Explanation: It's a continuation of the sae subject so you use ; (semi-colons).