When you adopt a certain framework or strategy for solving a series of problems, you may fail to see other, more efficient ways of solving some of the problems. this is referred to as: ?

I believe it is called closed mindset. Closed mindset is when you fail to see other ways to your error and don't accept help or think you can improve.

Ithink it would be c (a word object) not 100% sure though

B, it is easy to scan for key information. there are times when a lot of information is included in a business letter. the block letter format you find key bits of information quickly, without having to read through the whole paper.