Consider the following project network, with task duration data provided: | E J Finish 7 1 A F 1 Start C 1 2 G 4 2 1 2 H 3 3 Which of the following are true statements, concerning tasks pictured in this diagram? 1. Task D could be started immediately, even if no other work has been done on any other tasks. II. Task I cannot start until both tasks G and H are completed. III. Task E cannot start until both tasks D and F are completed. O a. II and III O b. I and III O c. I only O d. ll only O e. I, II and