In these questions, out of four alternatives choose the one which best…

The correct answer is Procure.

Key Points

Obtain means to get, acquire, or secure (something) or to gain or attain usually by planned action or effort.​

​Ex: First editions of these books are now almost impossible to obtain.

Procure means to get or obtain something, especially after an effort.

Ex: You may have to barter with Jim to procure the essential supplies you need.

Thus, Procure is similar in meaning to obtain.

Additional Information

Let's see the meaning of the other words:

Salubrious: favorable to or promoting health or well-being

Elated: extremely happy and excited

Spirited: full of energy, enthusiasm, and determination