Select from options: Continue writing the next sentence.

How to use twitter places
Enable the " tweet with your location " feature.
Tweeting with your location is disabled by default and you need to activate it.
Go to your account settings.

Available options:
a). Look under, under, and under, on the " settings " tab on your account and click " twitter. " on the next screen, search for the location you want to send your tweet to..
b). Select " privacy, " then " privacy settings. " tap the three horizontal lines at the top right corner (an x), just in front of the " favorites " icon..
c). Check " add location to my tweets ". Click the crosshair icon located below the tweet update box..
d). Select " twitter " in the settings section. Enable the " to twitter " menu..
Answer:
c).