The correct answer is A. bar.
The kind keyword is used to specify the type of plot to be created. The value bar specifies a bar plot. A bar plot is a type of chart or graph that presents categorical data with rectangular bars with heights or lengths proportional to the values that they represent.
The kde keyword specifies a kernel density estimate plot. A kernel density estimate (KDE) is a non-parametric way of estimating the probability density function of a continuous random variable. It is a smoothed version of the empirical distribution function.
The hexbin keyword specifies a hexbin plot. A hexbin plot is a type of scatter plot that uses hexagonal bins to represent the data. The bins are created by dividing the data space into a regular grid of hexagons. The number of data points in each hexagon is then used to color the hexagon.
The none of the mentioned option is incorrect because it does not include the correct answer.