When creating a branching question with more than 11 answers there is no scroll bar. Because of this it is not possible to choose the other options.
Issue is reported here: https://h5p.org/node/721379Test content: https://h5p.org/node/722265
Issue was tested on the following browsers:
Chrome Version 80.0.3987.100 (Official Build) (64-bit)Edge 44.18362.449.0Firefox 72.0.2 (64-bit)