Which of the Following Transactions Should Not Result in Revenue

Multiple Choice

Which of the following transactions should not result in revenue recognition in March?

A) Services for a customer were carried out on credit in March,to be collected in April.
B) Services were carried out for a customer for cash in March.
C) Payment was received from a customer in March,for services provided in February.
D) Goods were sold to a customer on credit in March,with cash to be collected in April.