Hello,
I am sorry for your experience. Microsoft will not charge you for service you didn't use. If this happened by wrong, please go ahead to create a ticket and we will refund your fees.
Please go to Azure portal to check as following:
Get support from the Azure portal
To get help with Azure Marketplace through the Azure portal https://portal.azure.com/#blade/Microsoft_Azure_Support/HelpAndSupportBlade/newsupportrequest , open a support request in the Help + Support page of the portal. Complete the dropdown fields as follows:
Issue type – Subscription management
Problem type – Purchase, sign up or upgrade issues
Problem subtype
Regrads,
Yutong