In french how to say when i was younger i didn't think much about the future (in the imperfect)

Choose the correct conjugation of the verb between parenthesis in passe compose. elles (marcher) toute la journee.* sont marchees* ont marche* ont marches* ont marcheeschoose the correct conjugation of the verb between parenthesis in passe compose. il (monter) dans le train. * amonte* est montee* est monte* est monti