D only
The given question asks us to identify which names correspond to actual variants of the COVID-19 virus. Let's analyze each option:
After reviewing each option, it is clear that all of them are officially recognized variants of the Coronavirus. Therefore, the correct answer is the option that includes all these variants.
Thus, the most appropriate answer is: A, B, C, D and E.

Study the chemical structure of an addictive drug shown below and answer the questions that follow.