নিচের কোন বাক্যটি শুদ্ধ ?

নিচের কোন বাক্যটি শুদ্ধ ?

• ক. My father was in hospital during six weeks in summer
• খ. My father was in a hospital for six weeks during the summer
• গ. My father was in a hospital during six weeks in summer
• ঘ. In summer during six weeks my father was in hospital