Question: How large was the ice chunk that melted and refroze?

Is "According to NASA, the most widespread Antarctic surface melting of the past 30 years occurred in 2005, when an area of ice comparable in size to California briefly melted and refroze; this may have resulted from temperatures rising to as high as 5 C (41 F)." the correct answer?
Select from: (A). yes; (B). no;
(A).