Concept:The idiom 'to grasp at straws' means trying desperate measures when hope is almost lost. (निराशा में कुछ भी करने की कोशिश करना)Explanation:This phrase refers to attempting unlikely or irrational actions because no other options remain. For example, a person with a failing business may take a huge loan on bad terms. Such actions show desperation, not easy victory, courage, or careful thought. Thus, the correct meaning is to try desperate measures.Answer:B. To try desperate measures