Many experts regarded the large increase in credit card borrowing in March not as a sign that households were pressed for cash and forced to borrow, rather a sign of confidence by households that they could safely handle new debt.
A rather a sign of confidence by households that they could safely
B yet as a sign of households' confidence that it was safe for them to
C but a sign of confidence by households that they could safely
D but as a sign that households were confident they could safely
E but also as a sign that households were confident in their ability safely to
我的问题是:d that households were confident they could safely 中 they could safely 是什么成分前面不用that吗?
but as a sign that households were confident they could safely
confident后面按理来说确实应该加that,但是加了that之后原句会变成
a sign that households were confident that...
在gmat中要尽量避免这种两个that十分接近的情况,于是本句话中的第二个that被省略掉,而且这样并不会引起歧义.