Question

if retro means \back\ and spec means \to see or look,\ what is the best definition of the phrase in retrospect in the sentence below? in retrospect, i probably should have taken better notes on that topic. in regretting the past in respecting the past in anticipating the past in considering the past

Explanation:

Given "retro" means "back" and "spec" means "to see or look", "in retrospect" means looking back or considering the past. It doesn't imply regret, respect, or anticipation of the past.

Answer:

in considering the past