This question has options. Answer the question about text:

She was always smiling , always happy , for no apparent reason . laughing even when no one was making jokes , just loving life so much . I envied her .

Why would someone laugh when nothing was funny ?
OPTIONS:
[-] People might laugh a lot if they have a rich inner life and are pleased by little things in life .;
[-] People laugh if they are choking on something .;
[-] People laugh to put other people " Off " and frighten them .;
[-] None of the above choices .;
People might laugh a lot if they have a rich inner life and are pleased by little things in life .