单选题：There was a lot of fun at yesterday's party. You _____ hav..

Mary felt________from the outside world，since she lacked an Internet connection and couldn’t receive any e­mail.A．cut down　B．cut inC．cut off　D．cut out

In much of the animal world, night is the time ____ for sleep —pure and simple.A．set asideB．set downC．set offD．set up

Tom studies harder this term. _________, he has made great progress in his lessons.A．InsteadB．After allC．By the way D．As a result

Sea water ______ many minerals, salt ______.A．contains, includedB．contains, including C．includes, containedD．contains, contained

Is this your necklace, Mary? I____ it when I was cleaning the bathroom this morning.A．came acrossB．dealt withC．looked afterD．went for