Mrs. Van Dann [is] trembling because of the planes, which take no notice of the speech but fly blithely on towards Essen . . . Which word best conveys the connotation of the word blithely

Idont know the answer

B. alice is pretending there is a way through the glass when in reality that would not be physically possible therefore she has to pretend. but i think d is also possible because alice notices the glass is actually melting away which is also not possible either