The Table Below Provides Hypothetical Unemployment,employment,and Labour Force Data for an Economy

The table below provides hypothetical unemployment,employment,and labour force data for an economy over a 3-month period.
TABLE 30-2
-Refer to Table 30-2.Which of the following changes occurred in this economy between February 1 and March 1?

A) The labour force remained stable.
B) The unemployment rate declined.
C) The unemployment rate remained stable.
D) 200 000 (net) workers entered the labour force.
E) 200 000 (net) workers left the labour force.