You can't the Roman Catholic Church from Scripture. Too many distortions and errors in theology to do that.
1Cr 2:14 — But the natural man receiveth not the things of the Spirit of God: for they are foolishness unto him: neither can he know [them], because they are spiritually discerned.
If you happen to ever watch the Coming Home Network's Journey Home program (run by a former Presbyterian minister), you would find a common thread with many of their stories is that they felt that there is no way they could do otherwise and keep their integrity. Often at great cost to themselves and their families. And, in almost every case, their study of the scriptures was what led them there.
I don't want to get in an argument with you about it and I realize that I will not convert you based upon an Internet posting, but that is a common thing I hear. You can look at over 50 conversion stories yourself by clicking here and see for yourself.