Jo immediately sat up , put her hands in her pockets , and began to whistle .<br>`` Do n't , Jo .<br>It 's so boyish ! ''<br>`` That 's why I do it . ''<br>`` I detest rude , unladylike girls ! ''<br>`` I hate affected , niminy-piminy chits ! ''<br>`` Birds in their little nests agree , '' sang Beth , the peacemaker , with such a funny face that both sharp voices softened to a laugh , and the `` pecking '' ended for that time .

Can we draw the following conclusion?
jo's head moved to a higher position

Options are:
[i] Yes.
[ii] It's impossible to say.
[iii] No.
[i]