It is C, an unbalanced ruler
Answer:
Warily
Explanation:
A very cautious mouse would warily walk past a sleeping cat. When someone is wary, they are cautious, careful.
<em>To maneuver</em> means <em>to move skilfully or carefully</em>, but it would not be used in the context of a mouse. For example, you could maneuver while driving a car.
The remaining two words have completely different meanings. <em>Matronly</em> means <em>of, relating to, or having the characteristics of a matron</em> (usually a mature and dignified married woman who has an established social position).
<em>Odious</em> means <em>extremely unpleasant.</em>
Personification is giving human qualities (such as emotion) and actions to nonhuman objects and/or ideas. I think
"It is an inhuman task to make all of these decisions correctly." The author is furthering the idea that perfect parenting isn't possible, as stated in the first sentence.