as recently as 100 years ago, doctors might have been able to an illness, but the were often unable toit

as recently as 100 years ago, doctors might have been able to diagnose an illness, but they were often unable to cure it.

1 detect

2 understand

Explanation:

as recently as 100 years ago, doctors might have been able to an illness, but the were often unable toit.

it makes sense

answer; the national uniform billing committee(nubc);

i believe the answer would be 'd'.

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