While there may be forms of Christianity which are less problematic than others, the underlying idea behind the religion is problematic. (Some forms reject the trinity and some forms don't practice the symbolic cannibalism others do) The fundamental nature of Christianity runs counter to what Judaism established.
Their religion is based around a human ...
Not all Christians follow the trinity dogma.
Reformed and Presbytarian Churches only accept the teachings of the Bible. Members are allowed to accept the trinity dogma but it is not part of reformed theology.
Witnesses of Jehova and Unitarians reject the trinity dogma.
In this sense, it is possible to be Christian and Noahide.
It is to mention that other ...