How many heroic trials or tests does Rustem have to undertake before rescuing the shah Kai Kaous?

The Seven Labors of Rustam (Persian: هفت خان رستم‎, romanized: Haftkhān-e-Rostam) were a series of acts carried out by the greatest of the Iranian heroes, Rostam, The story was retold by Ferdowsi in his epic poem, Shahnameh. The Seven Labours were seven difficult tasks undertaken by Rostam, accompanied, in most instances, only by his faithful and sagacious steed Rakhsh, although in two labours he was accompanied also by the champion, Olad.

since it is asking for her reaction to elnora's trouble at school you can rule out any answers with a positive response (b). then you can rule out (d), this is because it does not show the mother's reaction but the daughter's response. that leaves you with two options (a) and (c), by looking at the options you can rule out (c) because it isn't referring back to elnora's issues at school.

they fear for their lives