Theboy’sparentsknewhe__________ifhehadpassedthefinalexam.

Theboy<spanstyle="text-decoration:underline;">has</span><spanstyle="text-decoration:underline;">no</span>problem<spanstyle="text-decoration:underline;">work</span><spanstyle="text-decoration:underline;">out</span>thequestion. A: has B: no C: work D: out