It is true that the sentence is written in standard English.
Any variant of the English language that is regarded by some as the best for usage by educated native speakers is referred to as standard English.
The words "rumors" and "strike" are widely used by the English native speakers that makes these words standard language.
Thus, it is true that the sentence is written in standard English.
To learn more about standard English here
https://brainly.com/question/27753875
#SPJ2