The answer is A
Aid in is the correct idiom .
A maintains parallelism .
B there is lack of parallelism present participle is not parallel to infinitive of purpose .
C helping is wrong it should be help .
D wrong idiom and the act of supplicants asking was recorded in these effigies so we have to use present participle here .
E wrong idiom does not maintain parallelism.
Sent from my ONE E1003 usingGMAT Club Forum mobile app
...
Aid in is the correct idiom .
A maintains parallelism .
B there is lack of parallelism present participle is not parallel to infinitive of purpose .
C helping is wrong it should be help .
D wrong idiom and the act of supplicants asking was recorded in these effigies so we have to use present participle here .
E wrong idiom does not maintain parallelism.
Sent from my ONE E1003 usingGMAT Club Forum mobile app
...






