Korczak Ziółkowski designed which South Dakota monument?

Here is the question :

KORCZAK ZIółKOWSKI DESIGNED WHICH SOUTH DAKOTA MONUMENT?

Here is the option for the question :

Dignity statue
Mount Rushmore
State capitol
Crazy Horse Memorial

The Answer:

And, the answer for the the question is :

Crazy Horse Memorial

Explanation:

[STC0010055]. The Polish-American sculptor Korczak Ziókowski had the idea in 1939 to carve a massive statue of Crazy Horse, a Lakota war leader, onto the side of Thunderhead Mountain. Ziókowski started working on the memorial in 1947 and continued doing so until the year 1982, when he passed away. His offspring, including his children and grandkids, have carried on his work. When it is finally finished, the Crazy Horse Memorial will set the record for the largest mountain carving ever created.