Which is a basic teaching of Judaism?

AThere is only one God and that God cares about how people behave.
BIt is the duty of every good person to honor his ancestors with altars and sacrifices.
CEach person is born into a particular section of society and stays there for life.
DThere are spirits in every part of nature.

Verified Answer :

AJudaism is very close to Christianity and they are monotheistic meaning that there is only one god. And that god is supposed to watch over his people and evaluate their behavior

The Question:

Which is a basic teaching of Judaism?

The Answer:

A.) There is only one God and that God cares about how people behave.