Fill in the blank with correct option
The author touched the ________ of her career with her second novel which won the Pulitzer Prize.

Options

A. i) peek
B. ii) nadir
C. iii) base
D. iv) peak

Explanation

(d) peak -the pointed top of a mountain.
(a) peek-look quickly or furtively.
(b) nadir-the lowest or most unsuccessful point in a situation