E: Command line option --noconfirm is not understood in combination with the other options

When I try to install a package with `--noconfirm`, I get this error:

```
$ sudo pacapt -S ibus --noconfirm
[sudo] password for user:
E: Command line option --noconfirm is not understood in combination with the other options
```

### System informations

System: Linux Mint 20

Package manager is `apt-get`:

```
$ which apt-get
/usr/bin/apt-get
```

