NO.121 You create a Service Bus namespace named company1
with a topic named orders. The topic contains subscriptions
that are shown in the exhibit.You need to determine what
happens when the code in the exhibit is run.Exhibit:Service
bus Topic Overview Page:Name: orderEmailer, Status Active,
Message count: 10Name: orderProcessor, Status Active,
Message count: 10Code:static void RetrieveMessage(string
connectionString, string entityPath) { var client = new
SubscriptionClient(connectionString, entityPath,
"orderEmailer"); client. RegisterMessageHandler(async (msg,
token) => { await
client.CompleteAsync(msg.SystemProperties.LockToken); }, new
MessageHandlerOptions((args) => { return
Task.CompletedTask; }));} Choose all that apply:
(A) SubscriptionClient.CompleteAsync is called 10 times.
(B) One message is removed from the orderProcessor
subscription.		
(C) Ten messages are removed from the orderEmailer
subscription.