She was wondering whether they've (A) completed their lifeguard training.
Answer:
Dependent clause.
Explanation:
A noun clause is a dependent clause that acts like a noun. They can act as subjects, direct/indirect objects. But noun clauses can begin with when, where, how, what, who, why...
Answer:
You're right; it's D
Explanation:
The words create a fast pace that makes the tone anxious or excited. It desplays Lani's feelings of anxiety and excitement before the race.