People before your time have indeed asked such questions-and in result thereof have come to deny the truth.

Some people before you did ask such questions, and on that account lost their faith.

A folk before you asked (for such disclosures) and then disbelieved therein.

A people before you indeed asked such questions, then became disbelievers therein.

A people asked such [questions] before you; then they became thereby disbelievers.