Choose the most appropriate option nearest in meaning to the underlined word(s). This time, she will be competing with a dark horse?

Choose the most appropriate option nearest in meaning to the underlined word(s).

This time, she will be competing with a dark horse?

Answer Details

The phrase "dark horse" is used to refer to a person who is little known, but who surprises others by succeeding in a competition or event. Therefore, the option nearest in meaning to the underlined phrase is "a person about whom little is known."