Q583316 - CCV-UFC - 2012 - SEDUC-CE - Professor - Língua Inglesa

In the sentence “Ms. Kolstad´s doctor has been performing elective surgery on older patients for years

now", the verb group “has been performing" indicates:

a) repeated action in the past leading up to the present.
b) a single action viewed as complete in a distant past.
c) a single action viewed as complete in a near past.
d) a single action viewed as hypothetical.
e) a single action viewed as obligatory.