Time is always "earlier" in the east and "later" in the west- think of it like this, the Sun rises in the East, so it will rise earlier in the East!
There are three time zones in South America, so the difference will be 2 hours: so it will be two hours later, that is, it will be 7 PM!
Cities such as Geneva, Switzerland; Brussels, Belgium; and Washington, DC, are considered global cities primarily due to their influence in world government
The answer is:
choice B.
hope it helps!