Concept:The underlined word
opaque means not transparent, so something cannot be seen through.
Explanation:An opaque object does not allow light to pass through it.
Therefore, the inside of an opaque ballot box cannot be seen.
The direct opposite of
opaque is
transparent.
A transparent object allows light to pass through, so objects inside it are clearly visible.
Option A,
covered, is not exactly the opposite of
opaque.
Option C,
painted, does not mean the same as transparent.
Option D,
dark, is a related idea but not the correct opposite.
The correct word that contrasts with
opaque is
transparent.
Answer:B. transparent