Final answer:
The strategic goals of project portfolio management include ensuring projects are on time and on budget and investing in the right areas.
Step-by-step explanation:
The strategic goals of project portfolio management can be reflected in options b) Are projects on time and on budget? and c) Are we investing in the right areas? These questions are focused on the effectiveness and efficiency of project execution as well as the alignment of project investments with organizational objectives. Option a) Are we carrying out projects well? is more related to project management rather than portfolio management, and option d) Do stakeholders know what they should be doing? is more specific to stakeholder management rather than portfolio management.