Which statement best describes mary shelley as a child

Nat least one hundred and fifty words, explain the importance of point of view in "i stand here ironing".

Truth is one that’s been valid for centuries.

1. in which sentence is the underlined portion a predicate nominative? for astronauts, going into space to repair orbiting equipment becomes a challenge. for astronauts, going into space to repair orbiting equipment becomes tricky. for astronauts, going into space to repair orbiting equipment becomes challenging. for astronauts, going into space to repair orbiting equipment becomes frequent.