What do we mean when we say that Robert Frost’s simplicity is deceptive? (1.3. 00:23-00:44)
选项：

A:Frost’s poems are simple, direct and natural. ;
B:Frost’s poems are never simple, direct and natural.;
C:Frost’s poems never say much in little.‍;
D:Frost’s poems look simple, direct and natural, but Frost was almost never as simple, direct and natural as he appeared to be.