Use the Following Information to Answer the Question

Use the following information to answer the question.
For your internship at the local zoo, you have been assigned to help with the new orangutan-breeding program. Little is known about orangutan reproductive hormones, but hormone feedback cycles are often the same in closely related animals. You have been asked to use your knowledge of the interactions of human reproductive hormones to recommend injections to promote ovulation in a female orangutan when a visiting male arrives for a brief breeding visit.
Which of the following hormones would you inject if you want to induce ovulation in a female orangutan right away?

A) estradiol (estrogen)
B) progesterone
C) luteinizing hormone
D) follicle-stimulating hormone