Writers of option contracts:
a. earn a profit when the option expires without being exercised.
b. earn a commission no matter what subsequently happens to the contract.
c. hope to exercise the option on favorable terms.
d. have a limited liability specified in the contract.

Writers of option contracts earn a profit when the option expires without being exercised.

Option A

Explanation:

Option contracts are the contracts which meet the requirements of the contracts and promise to meet the requirements of the contract. Such type of contracts are made to limit the power of the promisor of the contract.

This contract protects the offerree from the offeror. The people who write such types of contracts or the writers of the option contracts expect to earn a profitable amount from the contract when the option finishes without being exercised properly.

the answer to your question is,

d. when a child was born.

-mabel < 3