求助og13 sc15的一个小问题！各位nn

求助og13 sc15的一个小问题！各位nn
15.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 答案选d，可是d中，sign的同位语从句后面的宾从，that怎么没有了？这样也对吗？不是应该是households were confident that they could safely handle new debt吗！？求解。。。不胜感激。。