The best answer here is: pitch (3).
pitch is the level at which your voice operates (this can be high or low) and an optimum pitch is the optimum level for your voice.
Answer:
I believe they were plants from when they were getting off the boat with wine. they made the crew drunk and distracted.
Explanation:
I read this last year!! I never knew I'd need this information for something...
The third sentence is the correct answer, as all the other sentences are incomplete.