Second, the surrounding land is dry and, ___________, does not contribute much fresh water

to dilute the salty sea water. In cold climate zones, ____________, water evaporates slowly. ____________, the run-off created by melting snow adds a considerable amount of fresh water to dilute the saline sea water.

A、A. first of all ......for example ........ Consequently

B、B. on the other hand ...... for example .......Since

C、consequently..... on the other hand ......Futhermore

D、what’s more...... first of all......For example