I believe the answer is going to be A but without the underlined phrase I am not 100% sure.
Possibly, the word needed to fill the blank and complete the
sentence would be ‘overall’, which means the ‘added’ or the ‘totaled’ let’s say
score of a certain aspect. The sentence would be:
The overall combined score moved the competitor to the top of
the scoreboard.
The sentence means that the competitor or candidate, possibly
in a contest of example, sports have different scores and when added, the total
score put the person (the competitor) atop everyone else during the
competition.
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