Read the passages below and select respective options that can correctly replace the underlined portions. The rivers were full of fish. Birds \[\underline{\mathbf{Q37}}\] lived and laid their eggs near rivers. \[\underline{\mathbf{Q38}}\], these areas provided a good source of food for the people. The people \[\underline{\mathbf{Q39}}\] caught the fish, collected the birds7 eggs \[\underline{\mathbf{Q40}}\] trapped the birds as food.

• A.  not only             
• B.         both     
• C.  Too         
• D.         not only