In the following sentence, a part of the sentence is underlined. There are some alternatives to the underlined part which may improve the sentence. Choose the correct alternative. In case no improvement is needed to choose option 4 ‘No improvement’ as your answer. Can you please stop yelling; I’m had been trying to study here?

• ক to try
• খ have been trying
• গ trying ✅ সঠিক উত্তর
• ঘ tried