How many radio buttons can be selected at the same time as the result of the following code?

Question

```
hours = new JRadioButton("Hours");
minutes = new JRadioButton("Minutes");
seconds = new JRadioButton("Seconds");
days = new JRadioButton("Days");
months = new JRadioButton("Months");
years = new JRadioButton("Years");
timeOfDayButtonGroup = new ButtonGroup();
dateButtonGroup = new ButtonGroup();
timeOfDayButtonGroup.add(hours);
timeOfDayButtonGroup.add(minutes);
timeOfDayButtonGroup.add(seconds);
dateButtonGroup.add(days);
dateButtonGroup.add(months);
dateButtonGroup.add(years);

```

A) 1
B) 2
C) 3
D) 4

Answer 1

B) 2