D. Person used as a tool to do something dangerous
Explanation
The idiom "a cat's paw" refers to someone who is being used as a tool or instrument by another person to achieve a goal or accomplish a task, often in a way that involves risk or danger.
The phrase is thought to have originated from the idea that a cat's paw is used to test if a surface is hot or dangerous, and similarly, a person may be used as a "cat's paw" to test the waters or take the fall for someone else.
The phrase "as was his wont" is an idiomatic expression that means "as was his habit" or "as usual".
It is used to indicate that someone did something in a way that was typical or characteristic of them.
So, the sentence "He went to his friend's house in the evening as was his wont" means that he went to his friend's house in the evening, which was his usual or habitual practice.
A. Someone has been murdered with some blue liquid
B. Someone is being murdered and has become blue
C. Make a great deal of noise and object vehemently
D. Suffer from persecution complex
Explanation
The correct answer is: Make a great deal of noise and object vehemently.
The phrase "scream blue murder" is an idiomatic expression that means to complain or protest very loudly and vehemently, often in an exaggerated or melodramatic way.
It does not literally mean that someone has been murdered or is being harmed.
ins and outs. The intricate details of a situation or process.
For example, It takes a newcomer some time to learn the ins and outs of the legislative process, or David really knows the ins and outs of how this engine works.
This usage alludes to the tortuous windings and turnings of a road or path.