Consider the following project network, with task duration data provided: E J Finish 7 1 1 D F 1 Start C 1 1 2 B G 1 4 2 1 D 2 H 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 Hare completed. III. Task E cannot start until both tasks D and Fare completed. a. I only O b. I and III O c. II and III Od. I, II and III Oe. Il only