Sentence Correction (SC) | Re: A ruined structure found at Aqaba, Jordan, was probably a church, as

Didn't understand the parallelism issue in option D. Request you to please throw some more light.EMPOWERgmatVerbal

...as indicates A as well asB - looksfine
A = its eastward orientation and overallplan
B = the artifacts

I understand there is a different issue (plural "indicate" is needed), but parallelism issue is not clear tome.

AndrewN - Can you please help me understand the parallelism issue?Thanks