A. Quality management plan

B. Schedule management plan

C. Cost management plan

D. Project scope statement

E. Explanation:
The inputs to the plan risk management process are as follows:
Project scope statement: It provides a clear sense of the range of possibilities associated with the
project and establishes the framework for how significant the risk management effort may become.
Cost management plan: It describes how risk budgets, contingencies, and management reserves
will be reported and accessed.
Schedule management plan: It describes how the schedule contingencies will be reported and
assessed.
Communication management plan: It describes the interactions, which occurs on the project and
determines who will be available to share information on various risks and responses at different
times.
Enterprise environmental factors: It include, but are not limited to, risk attitudes and tolerances that
describe the degree of risk that an organization withstand.
Organizational process assets: It includes, but are not limited to, risk categories, risk statement
formats, standard templates, roles and responsibilities, authority levels for decision-making,
lessons learned, and stakeholder registers.