You need to show an image of the diagram or else nobody knows what you’re referring to.
Answer:

Explanation:
When it comes to electron configuration and orbitals, it's important to first identify what exactly we are trying to identify. Below is a given example:





Looking at the periodic table, identify the alkali metal family on the periodic table, or group one elements:

Notice how each configuration has an exponent of
, representative of a single electron in their s-orbital.
I think B. is the correct answer i hope i helped
D is your answer. nearly everything has atoms so it cant be that