Trinitarians believe that if he has no human father then his father must be God. Muslims believe that he had no father whatsoever , and this was the essence of his miraculous birth. His is all that is in the heavens and that is in the earth. And his mother was a saintly woman. And this is life eternal, that they might know you the only true God, and Jesus Christ, whom you have sent.
Most Christians always manage to see a hidden abstract meaning for the verses of the Bible.
Even when they read the above verse they always manage to understand something totally different than that which they are reading. For Christ's Sake, pp. Muslims feel such claims with regard to God Almighty are an abomination.