Grasp at straws means try any possible solution when hope is low. This answer is correct because the expression has a fixed figurative meaning in English. In an SSC idiom question, students should match the whole phrase with its accepted meaning rather than translate each word separately.

• Classroom example: Grasp at straws can refer to a situation involving try any possible solution when hope is low.
• Story example: A writer may use Grasp at straws when describing a situation involving try any possible solution when hope is low.
• Exam example: When a sentence contains Grasp at straws, choose the meaning “try any possible solution when hope is low.”