The author's attitude toward standardized tests could be described as ______.

A．the user knows how to interpret the 'results in advance
B．the objectives are most clearly defined
C．the persons who take the test are intelligent or skillful
D．they measure the traits or qualities of the tests

A．technological advances have greatly improved the durability of toys
B．the improvement of craftsmanship in making toys depends on the efforts of universities
C．the exploration of the universe has led to the creation of new kinds of toys
D．the basic characteristics of toys are the same all over the world