As much as Narcissa would sympathize, she also quite understands why even in Baedal it isn't on the table for ready discussion; Bellatrix being here is both contextually reassuring ('it's probably not Voldemort') and completely inconvenient ('Bellatrix is here') that way. It takes her a moment to reorient in this new direction, but she allows her ruffled feathers to smooth back out and lowers her hands out of the way for his spell. "You had a shock," she concedes. "I'll see if Lucius doesn't know more about this."