Select the most appropriate word to fill in the blank.
In the past month, the price of oil has ______ several times.

Correct option is B

The correct option to fill in the blank is (b) fluctuated.
Fluctuated means to change frequently or irregularly, especially in price or amount. (बार-बार ऊपर-नीचे होना)
Example: The stock market has fluctuated wildly this week.
Other options:
· (a) Fumbled: To handle something clumsily (गड़बड़ करना)
· (c) Faltered: To lose strength or momentum (हिचकिचाना)
· (d) Failed: To not succeed (असफल होना)