Welcome.
There is nothing new under the sun. That scripture is true. Most of us here have either experienced what you have, or have seen and heard of many others who have done so. So, this is the wisdom - to come here [or to another venue offering similar experience] and ask for advice. I am gratified each time I see a new name here. Though I have been hanging around this forum for 7 years, it is this aspect that always lights my day.
I believe that your basic instinct is correct in keeping isolated from the congregation and insisting that you are just studying the scriptures on your own. My only advice here [and it has prob been stated before I saw the thread or those comments] is to be VERY careful about the way you state that position. Those wishing to bend your words, could indeed make a case against you - because, as you know only too well, the position of Jehovah's Witnesses is that ONLY THEY can dispense correct understanding of the Bible. Once you have stated it to one person [and make sure it is not two persons if you can], then do not repeat it again. They will seek to use the 'two witness' rule against you if they like.
Another tricky matter to be cautious of is this: Sometimes elders will call, one speaking to you, the other on an extension. They did this to me - seeking to get me to 'indict' myself over the phone before 'two witnesses'. The best policy here is caller ID/hang up/ignore phone calls.
Buy some time. Keep them out of it. Think. Reason. Read. Rinse and Repeat.
Some end up leaving religion altogether over time [I did]. Others join another church. [Did that too for a time.] Some reject the entire god-concept [Me again after years]. But whatever the eventual ending to the saga - you need time away from them, isolated from their inquiry and influences.
I have surely just repeated very good advice found before I stated it here [didn't have time to read all 4 pages tonight.]. Good wishes to you as you seek to sort it all out.
Namaste
Jeff