You Are Developing a Module and Need to Add Another

You are developing a module and need to add another column to a table introduced by another module MyCompany_MyModule via db schema. How do you do that?

A) Create a etc/db_schema.xml file in your module, add the column and run bin/magento setup:upgrade Create a etc/db_schema.xml file in your module, add the column and run bin/magento setup:upgrade
B) Create a etc/db.xml file in your module, add the column and run bin/magento setup:db-schema:upgrade etc/db.xml file in your module, add the column and run bin/magento setup:db-schema:upgrade
C) Run a command: bin/magento setup:db-schema:upgrade <table> <column definition> Run a command: bin/magento setup:db-schema:upgrade <table> <column definition>
D) Create a etc/db_schema_whitelist.json file in your module, add the column and run bin/magento setup:upgrade etc/db_schema_whitelist.json file in your module, add the column and run