Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it. select No improvement.

Genetic influx from Central Asia in the Bronze Age was strongly male-driven, consistent with the patriarchal social structure attributing to the Indo-European pastoralist society.

A

to be attributed to the Indo-European

B

No improvement

C

attributed to the Indo-European

D

attributed by the Indo-European