An insurance company writing business in a state other than the one in which it...

Detailed Answer in Step-by-Step Solution:

A foreign insurer (A) is an insurance company operating in a state other than its state of domicile (where it is incorporated).

A domestic insurer (B) operates in its home state. An alien insurer (C) is domiciled outside the U.S. A captive insurer (D) insures its parent company, not based on location.

The Virginia study guide defines a foreign insurer as one licensed to do business in Virginia but incorporated in another state, per insurance regulatory terminology. Reference: Virginia Life, Annuities, and Health Insurance study guide, section on "Insurance Company Types."