Considering That Leaf Stomates Have the Conflicting Functions of Allowing

Multiple Choice

Considering that leaf stomates have the conflicting functions of allowing gaseous carbon dioxide into the leaf,yet preserving the plant's supply of water,which of the following is (are) reasonable?

A) A submerged-water plant would have no stomates.
B) Tree leaves that orient flat and present the top side to the sun would have most of their stomates on the bottom of the leaf.
C) Corn,oats,rice,and wheat-all monocots-have relative upright blades with sunlight hitting both sides and would have stomates distributed evenly on both sides.
D) All of the choices are reasonable.
E) None of the choices is reasonable,since stomates are found uniformly on all type of leaves.