Which of the following data(s) is/are required for updating of plan at the intermediate stage of execution of the project?(i) Original network with calculation chart(ii) Point or date of updating(iii) New information and knowledge which will affect the duration time of the activitiesto be performed.

• A. (i) and (ii)
• B. (i) and (iii)
• C. Only (iii)
• D. (i), (ii) and (iii)