A．He produces metal detectors．
B．He owns a manufacturing firm．
C．He works for the British Museum．
D．He seeks buried treasure as a hobby．
A．are rewarded for whatever they find
B．are forced to obey tough regulations
C．may keep what they have discovered
D．should report whatever they discover
A．how much it is worth
B．how it was discovered
C．who is entitled to it
D．what it is made up of
A．is owned by the public
B．is debated in a heated way
C．remains a big temptation
D．turns precious over time