Question

Which sentence has a formal style and tone?

A) It ain't necessarily true that people who are good at geometry often turn into engineers.
B) See, the problem is, you guys just don't know what is causing the water shortage in this city.
C) Y'all need to study much with much more diligence, if y'all are going to do well on this next test.
D) Scientists have spent years trying to determine how tsunamis can be predicted with greater accuracy.
Eliminate

Answer 1

The correct answer is d

Answer 2

The correct answer is D.

Step-by-step explanation:

A is very informal due to the use of slang such as ''ain't''.

B has an informal tone and language due to the usage of 'you guys' to address other people.

C is very informal due to the use of shortened street slang ''Y'all'' commonly used in informal set-ups for example among friends.