This question tests basic awareness of world currencies, specifically the currency used in Turkey.
Turkish Lira: This is the real, official currency of Turkey, denoted by the symbol TRY. It has been the legal tender of the country for a long time, with a revaluation in 2005 that briefly introduced the New Turkish Lira before it reverted to being called simply the Turkish Lira.
Turkish Dinar: The Dinar is used by several countries such as Jordan, Kuwait, Serbia and Iraq, but there is no such thing as a Turkish Dinar. This option mixes up a real currency name with the wrong country.
Rubal: This appears to be a misspelling of Ruble, which is the currency of Russia, not Turkey, so this option does not fit.
Turkish Krone: Krone is the currency name used in Scandinavian countries like Denmark and Norway. There is no Turkish Krone, so this is also incorrect.
The correct option is Turkish Lira, the actual official currency of Turkey.
Let's summarize:
Turkey's currency is the Turkish Lira.
Dinar, Ruble and Krone are real currencies, but they belong to other countries, not Turkey.
So, the name of the Turkish currency is the Turkish Lira.