Class 10 English Chapter 7 Reference to context – RTC 2

Suddenly she discovered in a black satin box, a superb necklace of diamonds. Her hands trembled as she took it out. She placed it about her throat against her dress, and was ecstatic. Then she
asked, in a hesitating voice, full of anxiety, “Could you lend me this? Only this? “Why yes, certainly, “She fell upon the neck of her friend, embraced her with passion, then went away with her treasure.
(a) Who are the persons in reference here?
(b) She needed a Necklace for the __________ (ball / mall)
(c) The noun form of discovered is__________________
(d) When she shows her anxiety, she is _____________.