[学习疑问] 请教international trade current account deficit 是, investment, following, government, 的

chenzheruc

不太明白economics原版书reading 20, Q20, 如下：

Which of the following chronic deficit conditions is least alarming to the deficit country's creditors?A High consumption
B High private investment
C High government spending

Answer: B

但是导致current account 的三个原因是：
1, low private saving = A
2, high private investment = B
3, government deficit = C

不明白这个答案是怎么推出来的。。。。