Which of the following explains the concave meniscus of water in a glass tube?

• A The adhesion between water and glas is greater than the cohesion between water molecules
• B The cohesion between water molecule is greater than the adhesion between glass and water
• C The molecules of water in the glass are moving faster than the molecules in the other parts
• D The molecules of water at the water-air boundary are often attracted to the center of the tube
• E The weight of the water pulls the central part of the surface down