Millionaire models remarked Allen are rare enough but by jove a model millionaires are rarer still

Alan Trevor stated "Millionaire models are rare enough, but, by Jove, model millionaires are rarer still!"

Explain the difference between 'millionaire models' and 'model millionaires' in Alan Trevor's last statement?

The difference is in the types of models; the Advertising Models and the Role Models.

The Millionaire Model (Advertising Models) are rare. However, Model Millionaires (Role Models) are rarer still.

Explanation:

Here, Allan Trevor is using two type is models his statement to explain the rarity and difference in between the two types of models.

For one, Millionaire Model are considered to be Advertising Model; a popular or celebrity or person of beauty, who performs an act or display to show support or advertise products or services for people to buy or use. Such as David Beckham, Justin Beiber etc.

While Model Millionaire are Role Model; an examplary figure or noble character such as a well decorated Police, or a renowned Lawyer.

In this statement, Allen Trevor is saying while Millionaire models; advertising models are rare because of low pay and saturated markets, Model Millionaires; Role models who are millionaires or millionaires that have become role models are rarer still.

the correct answer is   d. a picture depicting people applauding a country's leader.