the answer is d. try to kill herself. the doctor is suspicious of something, but 'the means of all annoyance' most likely means anything she can harm herself with.
Your boss demands more respect that a friend would. Using a word like sir instead of common slang terms show respect and honor to someone.
Answer:
1. Exploratory research
Used to better define a problem or scout opportunities.
In-depth interviews and discussions groups are commonly used.
2. Descriptive research
Used to assess a situation in the marketplace (i.e., potential for a specific product or consumer attitudes).
Methods include personal interviews and surveys.
3. Causal research
Used for testing cause and effect relationships.
Typically through estimation.