I slogged my guts out for two weeks to finish the project and now I'm exhausted. A. worked idly B. invested heavily C. made an effort D. criticised indirectly21/60I slogged my guts out for two weeks to finish the project and now I'm exhausted.worked idlyinvested heavilymade an effortcriticised indirectlyGiải thíchĐáp án: A