Which is the subject of this sentence?
For once in your life, try something new and exciting.
A.
life
B.
your
C.
an understood you
D.
something
i know its "you" but is it your? thats what i dont get!!

C is the correct answer. There is an understood you as follows: “for once in your life, [you should] try something new and exciting”. ‘For once in your life’ in this sentence is an adjunct and is extra information given to emphasise the strength of the speaker’s feelings.

Answer:C. an understood youExplanation:I'm probably so late. Sorry mate...