Question: A project has four activities. Activity A has no predecessors and a duration of 1 week. Activity B has Activity A as its predecessor and

A project has four activities. Activity A has no predecessors and a duration of 1 week. Activity B has Activity A as its predecessor and a duration of 4 weeks. Activity C has Activity A as its predecessor and a duration of 3 weeks. Activity D has activities B and C as its predecessors and a duration of 2 weeks. What is the length of critical path for this project (weeks)?

Group of answer choices

A. 5

B. 7

C. 10

D. 4

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