D. Three is definitely a run-on sentence, but this option makes the most sense.
Not sure what you mean here
What do you need specifically to be done?
Answer:
B. It’s difficult to predict the effects of new policies and procedures.
Explanation:
A. It's difficult to predict the effects of new policys and procedures. (policys is misspelled)
B. It’s difficult to predict the effects of new policies and procedures. (correct)
C. Its difficult predict the affects of new policys and procedures. (Its needs to be It's)
D. It’s difficult predict the affects of new policies and procedures. (affect needs to be effect because affect means to have an impact on, while effect is the result)