In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

One’s options in this world are as (1) ___________________ as the horizon, which is technically a circle and thus (2) _______________ broad. Yet we must choose each step we take with (3) _______________ caution, for the footprints we leave (4) ___________ are as important as the (5) _____________ we will follow. They’re part of the same journey: our story.

Select the most appropriate option to fill in blank no. 4.