I dont see options but I think the answer is Tengo, which means have, this will make the sentence look like Yo tengo diecisiete años, this means I have 16 years
Hope thiis helps
Explanation in english :
They are publications
informative, both printed
as digital, what
they present different aspects
single-issue, so
organized, and make known
your most relevant data.
All sources that are
consulted to develop the text.
Introduction
The monograph:
More information is summarized
relevant and includes a valuation
about it so that the reader
can reflect on it.
Development
conclusion
The subject of the
text, its importance and subtopics
to be dealt with.
References
The
information on all subtopics
serialized, from the sources
consulted.
The answer would be A) Intensity. Because, You are pushing your body to get in all the training it needs in a short amount of time by intensifying the workout.