Which of the following can be regarded as a theme statement?

A、The theme of “The Egg” might be “Disillusionment is necessary to the process of maturing”. ;
B、Disillusionment and psychological paralys is in “The Dead”.;
C、Bernard Shaw might suggest in his Widowers’ Houses that “Even the most idealistic young man must compromise his principles”;
D、"The Egg" is about disillusionment.