下列行为中，能够对货币供应量产生影响的是（）。

A.增加新税种以弥补财政赤字

B.个人购买国债

C.法人购买国债

D.信贷资金购买国债

Having two eyes, instead of one, is particularly useful for ______.

A．seeing at night

B．seeing objects far away

C．looking over a wide area

D．judging distances