Is there a way to link text fields in an interactive form in ID CS6?

i'm recreating form had several text fields on top of each other. if form not interactive, user use fill out longer, more detailed responses questions.

 

but since it's supposed interactive, question need this, unless link them somehow, user's long answer flow 1 field next needed.

 

is there way that? or work better combine 3 text fields 1 big text field?

 

if latter, there way change text field text or picture box? can't seem find option.

you cannot link pdf fields each other.

 

make text field multiline , scrollable allow input (in acrobat, not in indesign, can set limit on number of characters).

 

as said elsewhere, choose object > interactive > convert object change field regular object.

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