A subcontractor asks to be added as an 'additional insured' on the general contractor's CGL policy. From a risk-management standpoint, this request is:

Explanation

Risk flows upward in construction insurance: the owner and general contractor are named as additional insureds on the subcontractor's policy, so that liability arising from the sub's work is answered by the sub's insurer. A sub asking to be added to the prime's policy asks for the reverse. (a) is simply false — a CGL policy can carry many additional insureds by endorsement. (b) confuses being on the same job with being on the same policy. (c) is a category error; the mechanics lien statute says nothing about insurance.