Hyperbole is a literal exaggeration. It contains strong feelings and impressions. Therefore, hyperbole is also known as intensifier. In the question correct options are A, C, D. In option A in droves is a phrase which means in large numbers and it is definitely exaggeration, an imaginative expression of something; option C exaggerates the actions of people who would do anything to get the stock; option D is interpreted as "a successful man forever" which is another example of exaggeration.