I - My brother has been teasing me since this morning.
Present perfect continuous - shows that something started in the past and is continuing at the present time.
II - I am reading an excellent book.
Present continuous - indicates that an action or condition is happening now, frequently, and may continue into the future.
III - I have been to England twice.
Present perfect - can be used to describe a repeated action in an unspecified period between the past and now.
IV - My husband works everyday.
Present simple - we use the simple present tense when an action is happening right now, or when it happens regularly
Correct answer: letter C.