—Can you help me _____ my cat while I am away?

—No problem. Just bring it to my house _____ you leave. [ ]

A. look after, before

B. look for, until

C. take care of, since

D. take off, after

正常血浆脂蛋白按密度低至高顺序的排列为（）

A.CM→VLDL→IDL→LDL

B.CM→VLDL→LDL→HDL

C.VLDL→CM→LDL→HDL

D.VLDL→LDL→IDL→HDL

E.VLDL→LDL→HDL→CM