Acuckoo may lay its egg in a warbler's nest. the cuckoo's young will displace the warbler's young and will be raised by the warbler. is this relationship commensalism or parasitism?

you must remain stopped until the stop signal is retracted and the red lights are turned off. approaching traffic in the opposite roadway of a divided highway shall not be required to stop, even if the school bus has the stop-arm extended and the alternately flashing warning signal lamps on.

thinking it would be d not too sure but i think it's right