Help please

The most complicated four letter word

Which best compares appointments and events in outlook 2010appointments have a subject man, and events do notappointments have a specific date or range of dates, and events do notappointments have a start and end time of day, and events do notappointments have a location option, and events do not

In microsoft word, when you highlight existing text you want to replace, you're in              a.  advanced mode.    b.  automatic mode.    c.  basic mode.    d.  typeover mode