Which detail in paragraph 11 suggests the main idea of mrs. bullfrog not being totally trustworthy? a) there was no possibility of doubting my wife's word b) i was about to express my fears that the lotion would injure her skin c) like many men's wives, the good lady served her husband as a steppingstone d) but i never knew genuine kalydor, such as i use for my own complexion, to smell so much like cherry brandy

You need to put the story or else we will not be able to answer. Please put the story or text of some kind so that I may answer...

It depends on the subject for me. some exams are easier than others so i usually go through it and answer questions i know based on my general knowledge, then double check after. going through the lesson can a lot  because the exams can be  very lesson-specific, but sometimes they are ridiculously long so a lot of people don't take the time. i did find that, when i went through the lessons, i was making 100's on my exams vs strictly using + the internet and  i make 90's. 

Maybe c. im not too positive