How does Red Chief's active imagination affect other characters in "The Ransom of Red Chief"?
a. Red Chief plays with his kidnappers and they appreciate the company.
b. Red Chief's refusal to go home increases the kidnappers' excitement for ransom.
c. Red Chief's unpredictable actions frighten Bill, one of the kidnappers.
d. Red Chief spends his time waiting to be entertained, which frustrates the kidnappers.