— You are going to Italy for a trip. When will you set off?
—I’m not sure. We haven’t_________ it because there are still many things to buy.
A:been busy with
B:been happy with
C:got ready for
古罗马《民法大全》规定:奴隶和隶农必须无条件地服从主人,服从命运的“安排”,对逃亡的奴隶和隶农必须严加惩治。这一规定表明( )
孟德尔的遗传规律适用于下列哪种生物( )