broall wrote:
During the infant’s first physical exam last week, the parents were surprised to learn that his blood typewas O negative, as their blood types are each B positive.
A. was -Blood type was O -ve so now did it change?
B. had been -Past Perfect can be used when something happened before something in the past
C. has been -Present perfect is used for something that started in the past and touches the present
D. is -Simple present (something that is generally or always true)
E. was being -unidiomatic
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