The annual range of temperature in the interior of the continents is high as compared to coastal areas. What is/are the reason/reasons? I. Thermal difference between land and water II. Variation in altitude between continents and oceans III. Presence of strong winds in the interior IV. Heavy rains in the interior as compared to coasts Select the correct answer using the codes given below.

• A.  1 only    
• B.  1 and 2 only
• C.  2 and 3 only     
• D.  1, 2, 3 and 4