Identify the problem in the following sentence: Anna wants, instead of her usual espresso, a chai tea.
A. Split infinitive
B. Awkward modifier
C. Ambiguous modifier
D. Dangling participle

i cannot see any of the options                                                          

sentence lenght varies according to word choice.you select which word to use and that will require to use other expressions that collocate with the word chosen.sentence length will vary   according to the choice of words you make to express your ideas.