The group of people who work in a company, industry, country, etc. - A. Workforce - B. Career - C. Secure - D. Temporary

A job or profession that you have been trained for, and which you do for a long period of your life: -A. Workforce - B. Career - C. Career advice - D. Temporary

"Permanent" means "lasting for a long time or forever". An antonym of "permanent" is: - A. Temporary- B. Secure - C. Career - D. Workforce

To achieve something, sometimes with difficulty: - A. Career - B. Secure - C. Workforce - D. Option

An opinion about what jobs and professional training might be suitable for someone: - A. Temporary - B. Option - C. Secure - D. Career advice

One of a number of choices or decisions you can make: - A. Option - B. Temporary - C. Career - D. Secure-