I believe the answer is a. since cur means an aggressive dog
his desire to avoid a fight
If we say that outline should make use of subordination, we mean that HEADINGS SHOULD BE GENERAL WHILE SUBHEADINGS SHOULD BE MORE SPECIFIC.
In the writing process, outline helps a writer to logically and systematically arrange his materials. Each outline is expected to observe four basic principles, which are: parallelism, coordination, subordination and division. The principle of subordination requires that, In order to indicate the level of significance, an outline should use a principal and subordinate headings. Thus, materials should be ordered from general to specific.
Cheerful: sad or depressed
sat: stand
up: down
straight: curved
improper: proper or acceptable
worse: better
best of luck!