请教天山中的两道语法题

1。 Several financial officers of the company spoke on condition that they not be named in the press reports.

A. that they not be named

B. that their names will not be named

C. that their names are not used

D. of not having their names

E. of not naming them

我选的是B， 可答案怎么一个说是C，一个说是E啊， 到底那个才是正确的答案， 请大家指教

2。 The market for recycled commodities like aluminum and other materials remain strong despite economic changes in the recycling industry.

A. commodities like aluminum and other metal remain

B. commodities like those of aluminum and other metals are remaining

C. commodities such as aluminum and other metals remains

D. commodities, such as aluminum and other materials, remain

E. commodities, like the commodities of aluminum and other materials, remains

我选的是C， 答案是E， 这怎么解释呀， 请赐教

第一题我认为答案是E.首先on condition that的意思是如果，在这道题中也不像是从句的用法。E中的on condition of not naming them可以理解为在不点出他们的名字的情况下。