Which two types of lock exist in this situation?

The HR user updates the salary of one of the employees in the non-partitioned EMPLOYEES table, but does not
commit the transaction.
Which two types of lock exist in this situation?

A.
exclusive lock on the EMPLOYEES table

B.
null lock on the row being updated

C.
null lock on the EMPLOYEES table

D.
row level lock on the row being updated

E.
shared lock on the EMPLOYEES table