He could not cross the boundary though he tried heart and soul. ( compound)

• ক He tried heart and soul but could not cross the boundary. ✅ সঠিক উত্তর
• খ He tried heart and soul and could not cross the boundary.
• গ He sould not cross the boundary and he tried heart and soul.
• ঘ He can not cross the boundary but he tried heart and soul.